bluuebunny/crossref_metadata_2025_split huggingface dataset:
Keragaman tumbuhan obat masyarakat Suku Kayuagung di Desa Pematang Panggang Kecamatan Mesuji Kabupaten Ogan Komering Ilir
Authors: Venia Tika Maidela , Harmida Harmida , Wardana Singgih Tri 
Published: February 2023

Masyarakat suku Kayuagung di Desa Pematang Panggang Kecamatan Mesuji Kabupaten Ogan Komering Ilir masih memanfaatkan tumbuh-tumbuhan yang berkhasiat sebagai obat yang diwariskan secara turun-temurun. Tujuan penelitian ini untuk mengetahui dan mengidentifikasi jenis-jenis tumbuhan yang berkhasiat sebagai obat, mengetahui habitus, organ tumbuhan, dan sumber perolehan tumbuhan yang berkhasiat sebagai obat, mengetahui cara pengolahan dan cara penggunaan tumbuhan sebagai obat oleh masyarakat suku Kayuagung di Desa Pematang Panggang Kecamatan Mesuji Kabupaten Ogan Komering Ilir. Penelitian ini dilaksanakan pada bulan Februari sampai Juni 2020. Pengambilan sampel dan data tumbuhan telah dilakukan di Desa Pematang Panggang Kecamatan Mesuji Kabupaten Ogan Komering Ilir. Penelitian ini menggunakan metode survey deskriptif dan observasi lapangan yang dilakukan dengan mewawancarai pengobat tradisional (Battra) yang berjumlah 4 orang dan 1 orang masyarakat umum. Hasil penelitian didapatkan 94 jenis tumbuhan dari 48 famili. Famili yang paling banyak dimanfaatkan sebagai obat adalah Euphorbiaceae sebanyak 8 jenis tumbuhan (8,7%). Habitus tumbuhan obat yang banyak digunakan berupa herba (38,3%), organ tumbuhan yang banyak dimanfaatkan adalah daun (61,8%), dengan sumber perolehan paling banyak berupa budidaya atau ditanam (61,7%). Pengolahan tumbuhan obat paling banyak dengan cara direbus (54,2%), dan cara penggunaan tumbuhan obat paling banyak digunakan adalah diminum (65%).
THE INFLUENCE OF JOB DEMANDS AND JOB RESOURCES ON EMPLOYEE PERFORMANCE AND JOB SATISFACTION AND KNOWLEDGE SHARING AS MODERATING VARIABLES
Authors: Rekma Adi Maheswari Made 
Published: February 2023

The definition of performance is a description of the level of achievement of the implementation of an activity program or policy in realizing organizational goals, vision and mission goals of the organization which are included through the strategic planning of an organization. This study used a population of 100 employees who had worked at PT Pramana Artha Raharja. The saturated sample technique was used in the research so that the final sample size was 100 respondents. Data analysis in this study used SmartPLS version 3.0.
The results in this study of the variables job demands and job resources have no significant effect on job satisfaction, then the variables job demands and job resources have no significant effect on employee performance while the variable job satisfaction has no significant effect on employee performance. Then the knowledge sharing variable has no effect on moderating the relationship between job demands and job resources on employee performance
PROPHETIC LEADERSHIP AND IMPLEMENTATION OF STRATEGIC MANAGEMENT OF GREEN NORD 27 BRINGS POSITIVE CHANGES BONEK SUPPORTERS
Authors: Moh. Agil Nuruzzaman  
Published: February 2023

ABSTRACT

This study aims to reveal the facts that have occurred as well as provide another view of the world of football fans, one of the many groups of Bonek supporters named Green Nord 27 (GN'27) in its journey so far there is prophetic leadership and the application of strategic management in changing the old tradition of Bonek supporters who are considered bad to transform for the better. The study approach uses descriptive qualitative methods. Data collection by observation, interviews and documentation. Furthermore, it is analyzed by starting with data collection, validation, reduction and presentation of data until the final conclusion. The location of the study is on Green Nord 27 which is in the city of Surabaya. Informants in this study included: the founders until the coordinators of Green Nord 27, conductors of supporters, members of Bonek supporters and security forces. The results of this study suggest that Green Nord 27 also pioneered the modernization of supporters and became the frontline of changing the dynamics of Bonek supporters towards a positive direction. interprets amar ma'ruf nahi munkar on two main aspects, namely: wanting to change the bad culture of Bonek supporters so far so that in the future it will change to be more positive and at the moment of fighting for Persebaya by fighting against the arbitrariness of the PSSI federation at that time. the leader or coordinator figures have so far indirectly applied the prophetic leadership breath that is based on the four qualities of the Prophet Muhammad SAW. regarding: siddiq (truthfulness), amanah (trustworthiness), tabligh (advocacy) and fathonah (intelligent) which have a correlation with establishing a truth by fighting evil. The Our Tribune Our Rules campaign from Green Nord 27 also has a contributive impact on other Bonek supporters from year to year. Implementing strategic management processes in realizing goals so far includes: mission statements, environmental analysis, organizational self-assessment, setting goals and objectives until establishing strategies.
Keywords: Prophetic Leadership; Strategic Management; Change Management; Green Nord 27
Parallel implementation of a seismic source recovery algorithm from a series of statistically identical media models using Fortran Coarray
Authors: Койнов В.В. 
Published: February 2023

Рассматривается задача параллельной реализации алгоритма определения сейсмического источника внутри случайно-неоднородной среды. Алгоритм определения исходной позиции источника использует данные записанных сейсмограмм на свободной поверхности и информацию о статистических свойствах случайной среды. Предложенный подход требует решения большого количества задач динамической теории упругости для различных статистически эквивалентных скоростных моделей, идентифицированных по статистическим параметрам исходной среды. Это наиболее трудоемкая часть алгоритма решения. Чтобы ускорить расчеты, используется двухуровневая стратегия распараллеливания с помощью создания групп, каждая из которых решает свою задачу динамической теории упругости с декомпозицией расчетной области внутри группы. Реализация программы выполнена с использованием Fortran Coarray. Также приводится сравнение используемых конструкций расширения Fortran Coarray с функциями MPI.
The research considers the problem of parallel implementation of an algorithm for determining a seismic source inside a randomly heterogeneous medium. The algorithm for determining the initial position of the source uses the data of recorded seismograms on the free surface and information about the statistical properties of the random environment. The proposed approach requires solving a large number of problems in the dynamic theory of elasticity for various statistically equivalent velocity models identified by the statistical parameters of the initial medium. This is the most time-consuming part of the solution algorithm. To speed up calculations, a twolevel parallelization strategy is used by creating groups, each of which solves its problem of dynamic elasticity theory with a decomposition of the computational domain within the group. Program implementation uses Fortran Coarray. It also compares the used Fortran Coarray extension constructs with MPI functions.
Customs Valuation Challenges in Multinational Enterprises’ Controlled Transactions: An African Perspective
Authors: Bornman Marina , Chirevo Simba 
Published: February 2023

Purpose: The paper aims, from an African perspective, to investigate the practice of inconsistent custom duty valuations experienced by related MNEs and to explore the impact this may have on MNEs.
Design/Methodology/Approach: Perceptions from industry experts from various African countries were sought by means of a questionnaire and supplemental literature was reviewed with a view to address the stated objectives.
Findings: The main findings point to custom officials’ lack of knowledge of transfer pricing principles, possible corruption by custom officials and custom authorities keeping reference prices. The impact on MNEs appear to mainly relate to additional costs in the form of storage, consignment seizure, and lengthy court battles.
Implications/Originality/Value: Strategies to address challenges arising in custom valuations suggest training of customs officials, coordination and exchange of information between relevant departments within the revenue authority and making use of advanced pricing agreements.
Bond-slip Behaviour of NSM GFRP Bars in Reinforced Recycled-Aggregate Concrete: Experiments and a Modified Model
Authors: Le Anh-Tuan , Nguyen Thuy Ninh , Cao Vui Van 
Published: February 2023

Bond-slip behaviour of glass fiber-reinforced polymer (GFRP) bars embedded in conventional concrete has been widely investigated. In contrast, the bond-slip behaviour of near-surface mounted (NSM) GFRP bars bonded in reinforced recycled aggregate concrete (RAC) seems to be less explored, while recycled materials have been increasingly used due to reasons of environmental pollution and resource exhaustion. This study aimed to experimentally and theoretically examine the bond-slip behaviour of NSM GFRP bars in reinforced RAC under monotonic and cyclic loadings. To achieve this aim, twenty-four tests were performed, which were divided into two groups by monotonic and cyclic loadings. In each group, twelve tests were performed on ten reinforced RAC specimens and two reinforced normal aggregate concrete (NAC) specimens. The test results confirmed the brittle shear failure of concrete in the proximity of a resin-concrete surface. Bond-slip behaviour can be characterized by nonlinear and linear branches, in which the linear branch dominates the behaviour. Under monotonic and cyclic loadings, the average slips of GFRP bars in reinforced RAC were 0.238 and 0.284 mm, and their coefficients of variation (COV) were relatively large at 0.142 and 0.130, respectively. In contrast, ultimate loads had a relatively low COV of around 0.038. The effect of cyclic loading significantly increased the ultimate slip by 19.3%, whereas it negligibly reduced the ultimate load; consequently, the stiffness was reduced by 19.4%. A modified smooth model was proposed to predict the bond-slip behaviour of NSM GFRP bars in reinforced RAC under monotonic and cyclic loadings. The simplicity and accuracy of the model can be useful for engineers in structural retrofitting using NSM FRP technique. Doi: 10.28991/CEJ-2023-09-02-01 Full Text: PDF
Properties of Fly Ash-Slag-Based Geopolymer Concrete with Low Molarity Sodium Hydroxide
Authors: Sunarsih Ernawati Sri , As'ad Sholihin , Mohd Sam Abdul Rahman , Kristiawan Stefanus Adi 
Published: February 2023

Most geopolymer concrete is produced using low-calcium fly ash and cured at high drying temperatures. Additionally, the activator is prepared with a sodium hydroxide (SH) solution of high molarity. This research proposes using a low molarity SH solution to produce fly ash-slag-based geopolymer concrete cured at room temperature. The properties to be investigated include workability, water absorption, and compressive strength. The influence of mixture composition, i.e., slag content, sodium silicate to sodium hydroxide (SS/SH) ratio, and alkaline activator to binder (Al/Bi) ratio on those properties is of interest. The slag substituted fly ash at 10, 20, 30, 40, and 50% replacement levels. The SS/SH ratio is 1.0, 1.5, and 2.0, with the SH molarity determined at 2M. The Al/Bi ratio is 0.40, 0.45, and 0.50. The results show that a higher percentage of slag reduces slump and water absorption but increases the compressive strength of the geopolymer concrete. The mixtures suitable for use are at the percentages of slag 20, 30, and 40%. An increase in the SS/SH ratio decreases the slump and water absorption. Geopolymer concrete with an SS/SH ratio of 1.5 gives maximum compressive strength compared to the other ratios. Increasing the ratio of Al/Bi increases the workability of geopolymer concrete. At an Al/Bi ratio of 0.45, the compressive strength is maximum and the water absorption is minimum. The recommended mix design in terms of workability, water absorption, and compressive strength of geopolymer concrete is a mixture with slag contents of 20, 30, and 40%, a SS/SH ratio of 1.0 and 1.5, and an Al/Bi ratio of 0.45 and 0.50. Doi: 10.28991/CEJ-2023-09-02-010 Full Text: PDF
Experimental Studies on Some Clays Leading to Instability
Authors: Ykhlef Boubakeur , Belouar Abdelghani , Boulfoul Azdine 
Published: February 2023

The landslide problem in the city of Constantine (Algeria) is mostly due to clayey soil, which is covering the whole area. Therefore, all the structures and foundations built over such soil are quite vulnerable. The sensitivity of this soil increases during the rainfall season, which might reach an extreme magnitude and cause damage to the structures. To understand some aspects of the failure of the mentioned soil and its mechanism, a large campaign of geotechnical characterization was undertaken using samples from the area. The specific gravity, Atterberg limits, and coefficient of lateral earth pressure at rest were determined. Samples were tested in triaxial stress path cells over a range of stresses, with the test being either stress- or strain-controlled, leading to sliding phenomena under different stress levels. The clays can be classified as over-consolidated soils. The test program and the characterization study indicated that Kois directly related to the stress history of the soil and also dependent upon the state of the sample before the test (i.e., undisturbed or disturbed). The clay minerals in the Mio-Pliocene landslide zones in Constantine are mostly montmorillonite and kaolinite, which have the lowest frictional resistance. As the montmorillonite content increases, the angle of internal friction decreases. The present study focuses on the critical state analysis since all the behavior problems of these tested samples show a peak shear strength, which is characteristic of over-consolidation materials that could lead to instability in this area. Doi: 10.28991/CEJ-2023-09-02-012 Full Text: PDF
Shear Strength of Reinforced Concrete Squat Walls
Authors: Al-Bayati Ahmed Faleh 
Published: February 2023

Squat shear walls are widely used in various structures to resist earthquake loads. However, the relevant design expressions found in building codes and literature do not incorporate the influence of all crucial parameters and provide inconsistent peak shear strength estimations. This study adopts the artificial neural network (ANN) to predict the peak shear strength of squat walls using an extensive database that includes the results of 487 walls with wide-ranging test parameters. The ANN models consider the effect of concrete strength, the wall aspect ratio, vertical and horizontal reinforcements, vertical reinforcement of boundary elements, and axial load ratio. These accurately predicted the available test results. They implemented it to carry out parametric and sensitivity analysis to investigate the effect of the main parameters on the peak strength and to give information about the factors that contribute most to the shear response. In addition, a softened strut and tie method is proposed, considering the variables that substantially influence the shear strength. A nonlinear regression analysis is employed to determine the coefficients of the proposed model using the available database. The performance of the proposed model is measured using the existing models, which results in the best favorable agreement with the test results. Doi: 10.28991/CEJ-2023-09-02-03 Full Text: PDF
Comparison of Methods for Computing Highly Accurate Daily GNSS Positions
Authors: Kuzikov Sergey , Kenigsberg D. V. , Salamatina Yuliya , Prokhorov O. A. 
Published: February 2023

In Central Asia, the level of geodynamic displacements of the Earth's crust does not significantly exceed the accuracy of their measurement methods. Therefore, we need to choose the most accurate methods of calculating coordinates for cosmogeodetic stations. In this work, based on the data of 8 days of GPS measurements at 10 stations, 7 sets of average daily geocentric XYZ coordinates were calculated using different methods. To determine the positions, we used 3 calculation methods in the GAMIT/GLOBK program, 2 methods in the Bernese GNSS software, and 2 web services. To estimate the differences between 7 coordinate sets, we used parameters based on the Euclidean distance between these coordinate samples. The difference analysis of all pair combinations for 7 coordinate sets was carried out by 3D radius vectors, individual coordinate axes, and individual observation stations. The calculations showed that the positioning accuracy and precision depended not only on the coordinate calculation method but also on the selected reference frame. Methods using the international terrestrial reference frame (ITRF) provide station positions with regular deviations of <2 mm and individual deviations up to 5 cm. Methods using the regional and "point" reference frames have regular discrepancies for individual coordinates up to 2 cm and maximum deviations up to 1 m. Converting XYZ coordinates to UVW with the local reference frame reduces the difference between UVW sets by at least 25%. Due to the spatial orientation relative to the studied stations, the X (U) coordinate is reproduced 2-3 times with smaller deviations than other coordinates. The average deviation level of coordinate sets can be an indicator of the quality of conditions for receiving a GNSS signal at one station. We have identified the station group that has a coordinate deviation level several times lower than other stations. Doi: 10.28991/CEJ-2023-09-02-04 Full Text: PDF
Numerical Analysis of Settlement of a Piled Raft Foundation on Coastal Soil
Authors: Shah Syed Raghib Abbas , Kumar Aneel , Zardari Muhammad Auchar , Ali Tauha Hussain , Bhanbhro Riaz 
Published: February 2023

There is a growing demand for multi-story buildings for residence and commercial purposes in coastal areas of Sindh, Pakistan. Such types of soils are generally considered more compressible with high groundwater levels, which may cause lower shear strength and higher settlement. The computation of the settlement of foundations requires the use of advanced constitutive models, which are not commonly used due to a lack of field or experimental data. This study is carried out to illustrate the use of an advanced soil model, i.e., Hardening Soil Model for the computation of settlement. For this purpose, numerical modeling was carried out using Finite Element Program PLAXIS 2D. Initially, the MC Model was utilized for the calculation of the settlement of a 10-story building in the coastal soil. In addition, parametric analyses for the effects of modulus of elasticity, permeability, and dilatancy angle were carried out. The results mainly suggest that the settlement of the building constructed on a piled raft foundation, predicted with the MC model, was 40% higher than that of the HS model. For prediction of settlement of the piled raft foundation, the results suggest that the HS model can be given preference as compared to the MC model. Doi: 10.28991/CEJ-2023-09-02-05 Full Text: PDF
The Environmental and Sustainable Factors on the Special Economic Zones Development
Authors: Hamzah Suharman , Pangemanan Daisy , Aprianti Evi 
Published: February 2023

The process towards sustainability is indeed very complicated, given the increasing need of the population for infrastructure to support human activities. The objective of the study is to analyze the influence of environmental factors and their awful effects on infrastructure projects with sustainable construction models in special economic zones. The methodology used are mixed methods, combination of quantitative and qualitative approaches with the total respondent are 80 persons. The respondents involved are divided by company/institution, company’s qualifications, and stakeholders. The first validity shows that all factors have a value above 0.5, by using Fornell Lacker Criterion, it is found that the CDV value met the requirements from all variables involved. The validation was calculated by a cross-loading method called discriminant validity. After validity, it is continued to obtain model fit value and the final model fit is 0.568 means good model. The NFI value released was 56.8%. It means that the declared model was good enough to be implemented within sustainability in SEZs. This result supported the previous research, which stated that a sustainable construction model using a multi-criteria approach is a good model choice for the development of a sustainable construction model. Doi: 10.28991/CEJ-2023-09-02-06 Full Text: PDF
Trip Attraction Rates of Banking Services in Developing Countries' Cities
Authors: Altaher Metwally G. M. , Elsayed Mohamed A. , Hassanin Hassan D. , Ibrahim Ali R. 
Published: February 2023

There is a lack of studies on trip generation rates related to land use activities in developing countries. The absence of trip rates makes transportation planners use rates listed in the Institute of Transportation Engineers (ITE) Trip Generation Manual, which may lead to unrealistic results. The study aims to determine trip attraction rates for banking services in Zagazig city, Egypt, and evaluate the factors affecting the attracted trips to the banks. The study has designed and implemented a comprehensive data collection and analysis program. The study sample contained nine banks. The study has conducted field surveys that counted the total number of persons entering/exiting the bank under investigation and the generated traffic volume of the adjacent street. The trip rates have been established in terms of independent variables, i.e., gross floor area, the total number of employees, and the number of tellers for different types of banks. Findings showed that average trip attraction rates for public banks were higher than for private banks. There was a strong relationship between trip attractions and the total number of employees at public banks. The most representative factor of private banks' trip attractions was the number of tellers. Doi: 10.28991/CEJ-2023-09-02-07 Full Text: PDF
Impact of the Skill Shortage on the Construction Supply Chain Performance in Australia
Authors: Ding Ming Juan , Jie Ferry , Sisombat Sommala , Bandlamudi Bala S. 
Published: February 2023

The purpose of this paper is to investigate how the skill shortage impacts the performance of the construction supply chain in Australia. The study has adopted a quantitative research method. The quantitative data were collected by conducting a survey of employees who work in construction companies in Australia. A regression analysis was used to analyze the data from 113 respondents. The findings of the study reveal that the construction sector in Australia has high labour costs, but workers are still thinking they are not getting paid enough and cannot invest more in themselves to improve their skills. There is a lack of academic and vocational training programs offered to them. Insufficient recruitment and incentive policies are also main barriers to attract talents to the construction industry in Australia. The situation became more serious during the COVID-19 period due to the lockdowns, lack of skilled migrants, and Government working visa policies. The study implies that firms should have a deeper understanding of the reasons for the skill shortage. Firms also need to devise strategies for hiring the right talent. Further, it was found that quality talent can come from the local or foreign markets. More effective selection criteria should be designed so that the best-fit approach can be implemented. Doi: 10.28991/CEJ-2023-09-02-08 Full Text: PDF