cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.12755/isec.res.2019.184
title: TOWARDS DIGITIZING THE CONSTRUCTION INDUSTRY: STATE OF THE ART OF CONSTRUCTION 4.0

description: Having a significant economic impact in country's GDP and being a major workforce, construction industry is yet characterized by low production rate, low technological advancement, minimum automation and robotic usage, and so on. With the visionary idea of Industry 4.0 that focuses on digitization of the value chain of a product and improving productivity through a variety of technologies and automated manufacturing environment, this research aims to develop a framework to adopt Construction 4.0 within a construction company. Current state of the art of the technologies in construction associated with the notion of Industry 4.0 (e.g., Building Information Modelling, virtual reality, augmented reality, Drone, etc.) is explored through extensive literature studies. The proposed framework incorporates current technological advancement related to construction industry, legislative requirements, barriers, enterprise transformation requirements and so on. Construction 4.0 would make a great impact in construction industry through improved value chain of construction projects, productivity improvement, and safe and sustainable construction. Indeed, the proposed framework would contribute to the advancement of new knowledge in the worlds' construction companies and provide potentials of new research focuses
DOI: 10.12755/isec.res.2019.185
title: USING ARABIC GUM IN PRODUCTION OF REFRACTORY BONDING MORTAR

description: Refractory bonding mortar is a specially-engineered blend consists of non-metallic materials that give the mortar unique heat-resistance and thermal characteristics for use in high-temperature applications. The goal of this study was to determine the performance of refractory mortar that produced from local raw materials in this study
description: Iraqi clays were utilized as raw materials while Arabic gum was used as adhesive materials. Three proportion mixes were applied, (96:4), (93:7), and (90:10) as (grog: kaolin binding material) and the burning temperatures for specimens were 1500oC. In the present research, some physical test such as the percentage of apparent porosity, bulk density, and specific heat are studied. Also, some mechanical properties such as compressive strength, binding strength, and dimensional stability are investigated. Finally, thermal conductivity and thermal shrinkage as thermal properties are also surveyed. All refractory bonding mortar produced in this study which has been used local materials have a good quality and it has all the characteristics of an economical product.
DOI: 10.12755/isec.res.2019.186
title: UTILIZATION OF SUPERABSORBENT POLYMERS IN PLASTERS FOR MODERATION OF INDOOR RELATIVE HUMIDITY LEVEL

description: Nowadays, the energy efficiency and moderation of indoor environment of buildings became important topic in the field of building physics. Moisture occurrence in building construction poses a significant task for building designers and material engineers. Among other factors, a high level of relative humidity has negative effect on the work efficiency and health of building inhabitants. The presented paper is aimed on the analysis of chosen superabsorbent polymers (SAPs) and its influence on properties of newly developed interior plasters. The identification of optimal ratio between superabsorbent polymers and plaster mixture from the point of view of the workability of fresh mixtures is done. Also, the effect of water/dry mixture ratio is studied according to enhanced absorption capability of SAPs. Specific attention is paid to hygric properties, the determination of apparent moisture diffusivity, water vapor resistance factor and estimation of sorption isotherms. Obtained results directly point to significant effect of SAP admixture on material properties of developed plasters. Namely, addition of up to 3 wt.% of SAPs shifts the water absorption coefficient almost ten-times, while the total open porosity is increased only about 20%. Such materials can be applied for the damped areas or places where increased water transport parameters play an important role for the efficient moisture removal.
DOI: 10.12755/isec.res.2019.187
title: VERIFICATION OF SIGNAL POLE SHAFT FOUNDATION LRFD DESIGN USING FINITE ELEMENT METHOD

description: This study presents verification methods of current shaft foundation design under linear lateral and torsional loads. Shaft is used as a foundation to support mast arm signal pole structure and transfer loads from superstructures to ground. The capacity of current shaft foundation deployed in the State of Maryland is re-verified due to higher sub-structural strength requirement against super-structural fatigue proposed from the AASHTO LRFD Specification (2015). The shaft foundation verification includes embedment length and torsional capacity. For embedment length check, lateral reactions between soil and shaft are verified by comparing analytical method and finite element method. Wind-induced torque is a design concern for the shaft of a single pole cantilever structure. However, torsional capacity of the shaft foundation of signal pole structures is rarely mentioned in the current design specification. By verifying finite element models with analytical method, torsional effect is further simulated to finite element models to evaluate the adequacy of current shaft foundation design. Results show existing design of shaft foundation could meet requirements to resist lateral force under extreme conditions. For torsional effect, current torsional capacity is less than the torque induced by wind load in the worst soil conditions.
DOI: 10.12755/isec.res.2019.188
title: VIBRATION RESPONSE OF A FOOTBRIDGE DUE TO PEDESTRIANS' MOVEMENTS

description: Failure of footbridges in England and France due to excessive vibrations from marching soldiers in the nineteenth century resulted in many fatalities and injuries. The unexpected lateral vibrations of the Millennium Bridge over the Thames River in London was a watershed event as large number of research studies were conducted on this subject following this incidence. However, there are still a number of issues related to vibration serviceability of footbridges that require further studies. Among these are: the amplification of structural response when a group of pedestrians cross a footbridge as compared to a single individual (group effects). This is important as footbridge vibrations are usually computed when subjected to one pedestrian's crossing and are magnified to estimate those generated by a group of people. Therefore, it is important to conduct vibration testing of footbridges to better define the group effects. This paper presents an experimental study of a footbridge susceptible to vibrations due to human movements. With the help of a group of volunteers, the group effects were computed as a function of the group size. It was found that the results were not completely consistent with those in the literature. Conclusions are made based on the results of the data analysis.
DOI: 10.12755/isec.res.2019.189
title: VISCOELASTIC ANALYSIS OF FLEXIBLE PAVEMENT EMBEDDED WITH CLSM BASES SUBJECTED TO SINUSOIDAL AND IMPULSIVE LOADS

description: This paper presents finite element analysis of 4-layered flexible pavements embedded visco-elastic asphalt concrete (AC) top layer and controlled low-strength materials (CLSM) sub-layers as well as graded crushed stone subgrades layers subjected to sinusoidal and impulsive surface wheel loads. Two-dimensional deformation assumption is employed. Time-dependent stress-strain relations are treated using Laplace transform based on correspondence principle. Scheme based on fast Fourier transform (FFT) is employed for inversion of Laplace transformed to obtain timedomain results. A typical 4-layered pavement is analyzed in which relaxation modulus of top visco-elastic asphalt layer is expressed in Prony series. Two kinds of CLSMs, i.e., CLSM-B80/30% and CLSM-B130/30% are compared with graded crushed stones and AC used for base materials. Time-domain responses of vertical displacement and stress at bottom of AC layer are compared. The vertical settlements using CLSM bases (B80/30% and B130/30%) are smaller than that using graded crushed stones even considering visco-elastic behavior of asphalt layer and show to be good materials employed as base substitutes for graded crushed stone in flexible pavement design
DOI: 10.12755/isec.res.2019.190
title: VISIBLE TEST ON BUGHOLE GENERATION OF FLUIDITY CONCRETES FOR TUNNEL LINING

description: Bughole (surface air-void) is a concern for surface quality though it rarely decreases strength properties of the concrete structure. In particular, sidewall of NATM tunnel lining which generally has negative angle is a significant concern in the bughole problem. To reduce the surface imperfection of concrete, the authors examined the bughole properties and discussed on construction methods in previous investigations. The present study focuses on the relation of bughole generation and concrete viscosity. A visible test of bughole generation was conducted using high and medium fluidity concretes in addition to the conventional concrete. Bughole distribution and properties were analyzed by the image analysis which was developed in our previous study. This paper reports the effect of concrete fluidity on decrease of bugholes on concrete surface. A remarkable observation in the experimental study is that number and arearatio of bugholes increased with concrete viscosity while large voids can be decreased by using high/medium fluidity concrete.
DOI: 10.12755/isec.res.2019.192
title: CAUSES OF DEVIATIONS IN PROJECT EXECUTION AND THEIR EFFECTS

description: Over the past few years the German and Austrian construction industries have been confronted with increasing complexity in projects, a situation, which has resulted in a significantly higher number of construction claims. The lack of an effective documentation system and a standardized claim management system has led to a growing number of disputes and legal cases. To develop a standardized claim management system, it is essential to understand and analyze deviations in the asplanned vs. the as-built occurring during project execution. A standardized system may assist in the quantification of impacts of different deviations and change procedures in future projects. This paper focuses on deviations and their effects occurring during project execution, as well as possible disputes arising from them. Further research is necessary in order to develop an effective standardized claim management system.
DOI: 10.12755/isec.res.2019.193
title: CONTENTS UNDER PRESSURE: DISTINGUISHING IMPREGNATED FIRE-RETARDANT-TREATED WOOD FROM SURFACE-APPLIED TREATMENTS IN THE 2018 INTERNATIONAL BUILDING CODE

description: Increasing populations combined with decreasing developable plots are leading to higher real estate prices. Communities are attempting to address these higher prices by increasing the number of residential units per acre. One way to increase supply is to use fire-retardant-treated wood (FRTW) to build larger and taller structures. However, as FRTW is increasingly being used, so are substitute products that do not meet the definition of FRTW in the building codes. How does one distinguish the two? By relying on knowing how FRTW is manufactured, where it can be used, and on building code requirements, responsible parties will better understand why FRTW is different from these products and how to verify that only code-compliant, chemically impregnated FRTW is used in larger, taller structures.
DOI: 10.21227/px1z-rm39
title: Codes and Data for "Binary Discrete Fourier Transform and its Inversion"

description: Supplementary Material for the paper "Binary Discrete Fourier Transform and its Inversion" by Howard W. Levinson and Vadim A. Markel, published in IEE Transactions on Signal Processing (2021)
DOI: 10.12755/isec.res.2018.148
title: FINITE ELEMENT ANALYSIS OF HYBRID COLD-FORMED STEEL SHEAR WALL PANELS

description: Improving the lateral performance of cold formed steel systems by employing different sheathing materials and bracing systems has been of particular interest to researchers in these days. However, due to their relatively low seismic capacity, the need for higher shear resistance of these structural systems is still felt. Therefore, this study aims to propose three hybrid shear wall panels in order to provide better performance and higher resistance in seismic zones. The numerical method is verified based on the experimental results in the literature and then is used for evaluating the hybrid systems. The proposed walls are analyzed under lateral and vertical loads and then their performances are compared to each other. The results showed better performance and higher shear capacity for hybrid wall system compared to the ordinary cold formed steel shear wall. In addition, the strength to weight ratio approved the economic application of hybrid panels for high seismic regions.
DOI: 10.12755/isec.res.2019.194
title: GLOBALIZATION AND THE CONSTRUCTION ENGINEERING AND MANAGEMENT EDUCATION

description: Globalization is the study of dramatic global changes and their consequences in different fields of economy, technology and communications during the past two to three decades. Similar to other industry sectors or professional practices, globalization has enabled the construction industry to take advantage of cross-border markets and benefit from the opportunities that the globalized economy has provided. Advances in transportation, data sharing and communication have given construction professionals and the labor force unprecedented access to markets that were previously insulated. As the political borders have turned to be increasingly irrelevant and the national economies have become more interdependent, the socio-cultural differences are hence accentuated and further exposed due to historically-existing dissimilarities in societal cultures and business norms. In this paper, the main goal is to understand the globalization and its implications for the world economy specifically focusing on the construction industry. This paper studies the impacts of globalization in construction engineering and management profession and further investigates on the opportunities and threats that a globalized economy and more-synchronized business practices will bring for industry and how Construction Engineering educators shall successfully address those unprecedented issues in teaching Construction Engineering Management courses to the next generation of the industry leaders.
DOI: 10.25318/3310034101-fra
title: Raison pour laquelle l’entreprise ou l’organisme prévoit de fermer au cours des 12 prochains mois, selon les caractéristiques de l’entreprise, deuxième trimestre de 2021

description: Raison principale pour laquelle l’entreprise ou l’organisme prévoit de fermer au cours des 12 prochains mois, selon le Système de classification des industries de l’Amérique du Nord (SCIAN), l’effectif de l’entreprise, le type d’entreprise, l’activité de l'entreprise et la propriété majoritaire, deuxième trimestre de 2021.
DOI: 10.12755/isec.res.2019.195
title: PERIODIC BOLT PLACEMENT IN STEEL STRUCTURES FOR GUIDED DAMAGE DETECTION

description: Connections form the weakest link in structural systems. Bolted connections are especially susceptible to stress corrosion cracking due to stress-riser points at the bolt edges and the intrusion of water between plates leading to galvanic corrosion. Bolts are conventionally placed based on minimum and maximum spacing requirements guided by American Institute of Steel Construction. Unfortunately, the detectability of crack and corrosion is currently not a design variable. In this study, bolts are placed in periodic pattern such that they exhibit unique frequency response. The periodic placement allows modeling only unit cell in the shape of hexagon with periodic boundary conditions to obtain the frequency response. When damage occurs, the periodic pattern is broken, and the frequency response behavior changes. The influence of crack to vibration modes is numerically modeled, and the damage detection ability with unique bolt placement is demonstrated. It is shown that the spatial distribution of bolt can assist the damage detection ability, which should be considered as a criterion in the design of bolted connections.
DOI: 10.12755/nrct.img.2019.321
title: Anesthesia Innovation: Mini-Review of an Intravenous Sedation for Gastrointestinal Endoscopy
DOI: 10.12755/nrct.img.2019.322
title: Role of an Anesthesiologist in Smoking Patients Undergoing Endoscopic Procedures
DOI: 10.12755/nrct.img.2019.323
title: Propofol-Based Deep Sedation for Percutaneous Radiofrequency Ablation in Sick Elderly Patients with Hepatocellular Carcinoma in a Developing Country
DOI: 10.12755/nrct.img.2019.324
title: Anesthesia for esophageal dilation procedure in a World Gastroenterology Organizing Endoscopy Training Center
DOI: 10.12755/nrct.img.2019.325
title: Anesthesia for elderly patients
DOI: 10.12755/nrct.img.2019.326
title: Monitoring equipment for gastrointestinal endoscopy
DOI: 10.12755/nrct.img.2019.327
title: รูปแบบการจัดการการท่องเที่ยวเชิงกาแฟในพื้นที่ภาคเหนือของประเทศไทย
DOI: 10.12755/nrct.img.2019.328
title: การใช้แตนเบียนควบคุมเพลี้ยอ่อนในผักเศรษฐกิจโดยใช้ระบบ banker plant
DOI: 10.12755/nrct.img.2019.329
title: นวัตกรรมดูแลผู้ป่วยโรคหลอดเลือดสมอง ยุค 4.0 หนึ่งฟันเฟืองขับเคลื่อนไทยให้ไปสู่ Thailand Medical Hub
DOI: 10.12755/nrct.img.2019.330
title: การพัฒนาเครื่องชูรสกลิ่นกุ้งจากเศษหัวและเปลือกกุ้ง
DOI: 10.12755/nrct.img.2019.331
title: โครงการวิจัยมาตรฐานอาชีพและคุณวุฒิวิชาชีพ สาขาวิชาชีพการจัดการธุรกิจรักษาความปลอดภัย
DOI: 10.12755/nrct.fas.2019.4
title: เพลงมโหรีกรุงศรีอยุธยา : การบันทึกแผ่นวีดิทัศน์พร้อมบทวิเคราะห์และโน้ตสากล (Ayutthaya’s Series Song : Recorded digital video disc (DVD) , Analytical Program Notes and Music Notaion.)
DOI: 10.12755/nrct.img.2019.332
title: ตัวชี้วัดชนิดสีอย่างง่ายสำหรับการวัดการเกิดกลิ่นหืนในแคบหมู
DOI: 10.12755/nrct.img.2019.333
title: การเพิ่มมูลค่าด้วยการจัดการนาข้าว เครื่องอบข้าวเปลือก และ พัฒนาผลิตภัณฑ์ข้าวพันธุ์พื้นเมือง จังหวัดนครศรีธรรมราช
DOI: 10.12755/nrct.img.2019.334
title: การตรวจวัดปริมาณโลหะหนักหลายชนิดในน้ำวุ้นลูกตาเพื่อใช้ในการประมาณระยะเวลาหลังการเสียชีวิต/The evaluation of multiple element content in the vitreous humour as potential markers of post-mortem interval estimation
DOI: 10.12755/nrct.img.2019.335
title: การจำแนกชนิดของกล้วยไม้สกุล Anoectochilus ของไทยด้วยเทคนิค DNA barcoding และเครื่องหมายดีเอ็นเอ
DOI: 10.12755/nrct.img.2019.336
title: การถ่ายทอดเทคโนโลยีสำหรับการผลิตผักสลัดไฮโดรโพนิกส์คุณภาพสูงในภาคใต้
DOI: 10.12755/nrct.img.2019.337
title: การสร้างเครือข่ายและความร่วมมือเพื่อการประยุกต์ใช้ศัตรูธรรมชาติ ในการควบคุมศัตรูพืชในพื้นที่ภาคเหนือตอนบน
DOI: 10.12755/nrct.img.2019.338
title: หมู่บ้านเศรษฐกิจพอเพียง
DOI: 10.12755/nrct.fas.2019.5
title: สารคดีชุมตามรอยเท้าพ่อ “หมู่บ้านเศรษฐกิจพอเพียงต้นแบบ” บ้านพรหมมานุสรณ์ ต.ธาตุ อ.เชียงคาน จ.เลย
DOI: 10.12755/nrct.fas.2019.6
title: โครงการหมู่บ้านเศรษฐกิจพอเพียง
DOI: 10.12755/nrct.fas.2019.7
title: หมู่บ้านเศรษฐกิจพอเพียง หมู่ 4 บ้านทับน้ำ อ บางปะหัน จ อยุธยา
DOI: 10.12755/nrct.img.2019.339
title: “สันต้นแหน”หมู่บ้านเศรษฐกิจพอเพียง ปลูกผัก-ฟื้นฮีตเก่า เดินตามรอยพ่อของแผ่นดิน
DOI: 10.12755/nrct.img.2019.340
title: หมู่บ้านเศรษฐกิจพอเพียงต้นแบบบ้านหัวอ่าว
DOI: 10.12755/nrct.fas.2019.8
title: ชาววิทย์ชิดชาวบ้าน ตอน หมู่บ้านวิทย์ วิถีแห่งเกษตรอินทรีย์
DOI: 10.12755/nrct.fas.2019.9
title: บ้านบัว หมู่บ้านต้นแบบวิถีวัฒนธรรมไทย
DOI: 10.12755/nrct.img.2019.341
title: ชุดอุปกรณ์ช่วยผสมเกสรปาล์มน้ำมัน
DOI: 10.12755/nrct.img.2019.342
title: เครื่องขัดล้างเมล็ดในการผลิตเมล็ดพันธุ์เพื่อจำหน่าย
DOI: 10.12755/nrct.img.2019.343
title: นวัตกรรมใหม่ของท่อเพิ่มความร้อนเพื่อเพิ่มสมรรถนะการถ่ายเทความร้อน
DOI: 10.12755/nrct.img.2019.344
title: เครื่องผลิตไบโอดีเซลแบบต่อเนื่องด้วยเครื่องปฏิกรณ์คลื่นเสียงอัลตราโซนิกความถี่ต่ำชนิดแคลมป์ท่อ
DOI: 10.5281/zenodo.4911273
title: Kinetics of selected blood biomarkers of articular cartilage in response to stress test with modulated ambulatory load

description: The goal of this work was to determine the suitability of selected blood biomarkers of articular cartilage as mechanosensitive markers and to investigate the dose-response relationship between ambulatory load magnitude and marker kinetics in response to load. Serum samples were collected from 24 healthy volunteers before (0) and at three time points (1=0min; 2=30min; 3=60min) after a 30-minute walking stress test performed on a treadmill on three test days. In each experimental session, one of three ambulatory loads was applied: 100% body weight (BW); 80%BW; 120%BW. Serum concentrations of COMP, MMP-3, MMP-9, ADAMTS-4, PRG-4, CPII, C2C and IL-6 were assessed using commercial enzyme-linked immunosorbent assays. ADAMTS - A disintegrin and metalloproteinase with thrombospondin motifs C2C - COL2−3/4Clong mono epitope COMP - cartilage oligomeric matrix protein CPII - C-propeptide is removed from the procollagen extracellularly and directly reflects the rate of type II procollagen synthesis IL - interleukin MMP - matrix metalloproteinasis PRG - proteoglycan The file contains the raw concentrations for each marker, participant, time point and condition.
description: Raw data as text files can be obtained upon request from the author.
DOI: 10.12755/nrct.img.2019.345
title: การสร้างโมเดลสามมิติของกระดูกโดยใช้กล้อง Kinect
DOI: 10.12755/nrct.img.2019.346
title: Smart Location-Based Mobile Application: ค้นพบโลกจริงบนพิกัดเสมือน
DOI: 10.12755/nrct.img.2019.347
title: ระบบสารสนเทศ ทีโอที กับโรงเรียนไอที
DOI: 10.12755/nrct.img.2019.348
title: ระบบติดตามและการคิดคำนวณค่าโดยสารแบบมาตรฐานสำหรับรถจักรยานยนต์รับจ้างและรถตุ๊ก ๆ สำหรับประเทศไทย
DOI: 10.12755/nrct.img.2019.349
title: NavTU: แอพพลิเคชันนำทางบนมือถือแอนดรอยด์สำหรับผู้พิการไทยทางการมองเห็น
DOI: 10.12755/nrct.img.2019.350
title: Smart U-learning System: นวัตกรรมอัจฉริยะเสมือนที่ไร้ขีดจำกัดการเรียนรู้
DOI: 10.12755/nrct.img.2019.351
title: โปรเทียร์
DOI: 10.25318/3310034201-eng
title: Changes to the workforce over the next 12 months, by business characteristics

description: Changes to the workforce over the next 12 months, by North American Industry Classification System (NAICS), business employment size, type of business, business activity and majority ownership, second quarter of 2021.
DOI: 10.12755/nrct.img.2019.352
title: ระบบบูรณาการฐานข้อมูลด้านกฎหมายและนโยบายการใช้ประโยชน์ที่ดินภาครัฐข้ามหน่วยงาน
DOI: 10.12755/nrct.img.2019.353
title: ระบบ รับ – ส่ง ข้อมูลอัจฉริยะ
DOI: 10.12755/nrct.img.2019.354
title: แบบจำลองระบบสุริยะโลกเสมือนผสานโลกจริง
DOI: 10.12755/nrct.img.2019.355
title: การพัฒนาคุณภาพกำลังคนด้านการท่องเที่ยวด้วยระบบเทคโนโลยีสารสนเทศเพื่อการศึกษาเรียนรู้แบบบูรณาการเรื่องภาษาอังกฤษเทคนิคเพื่อการท่องเที่ยวเมืองไทยในวิถีพุทธ
DOI: 10.12755/nrct.img.2019.356
title: พลาสติกที่เลี้ยงด้วยน้ำทิ้งจากการทำยางแผ่นดิบ
DOI: 10.12755/nrct.img.2019.357
title: นวัตกรรมเพื่อสร้างความตระหนักถึงพิษภัยของบุหรี่สำหรับนักเรียนประถมศึกษา
DOI: 10.12755/nrct.img.2019.358
title: นวัตกรรมการเรียนรู้วัฒนธรรมอาเซียนผ่าน BiMMA : Banknote iMagnifier Mobile Application
DOI: 10.12755/nrct.img.2019.359
title: การพัฒนาแบบจำลองการฝึกการให้สัญญาณมือและการตัดสินใจในการให้สัญญาณไฟจราจร
DOI: 10.12755/nrct.fas.2019.10
title: คุณภาพชีวิตของผู้ป่วยมะเร็งปากมดลูกหลังการรักษา: แบบจำลองเชิงสาเหตุ
DOI: 10.12755/nrct.img.2019.360
title: กรณีศึกษาออกแบบผลิตภัณฑ์จากเศษไม้เหลือใช้ในอุตสาหกรรมแปรรูปไม้ เพื่อส่งเสริมงานตกแต่งทางสถาปัตยกรรม
DOI: 10.12755/nrct.img.2019.361
title: ความคาดหวังและการรับรู้ของนักท่องเที่ยวชาวไทยที่มีต่อการท่องเที่ยวในอำเภอปาย จังหวัดแม่ฮ่องสอน
DOI: 10.12755/nrct.img.2019.362
title: การมีส่วนร่วมของประชาชนในการป้องกันและแก้ไขมลพิษทางอากาศ จากหมอกควันในจังหวัดแม่ฮ่องสอน
DOI: 10.12755/nrct.img.2019.363
title: ระบบเสียงวรรณยุกต์ภาษาไทลื้อในสิบสองปันนา
DOI: 10.12755/nrct.img.2019.364
title: การออกแบบเครื่องแต่งกายสตรีเพื่อพัฒนางานพื้นถิ่นให้เป็นสินค้าระดับชาติโดยใช้แนวคิดการออกแบบอย่างยั่งยืน : กรณีศึกษาผ้าทอมือ อำเภอเวียงเชียงรุ้ง จังหวัดเชียงราย
DOI: 10.12755/nrct.img.2019.365
title: เครื่องปลูกข้าวแบบหย่อนต้นกล้า
DOI: 10.12755/nrct.img.2019.366
title: เครื่องลำเลียงทะลายปาล์มน้ำมันชนิดผ่อนแรง