Judul: IMPACT OF DIGITAL TECHNOLOGY ADOPTION ON READINESS FOR THE INDUSTRIAL REVOLUTION 4.0 AND BUSINESS PERFORMANCE OF INDONESIAN AND THAI CULINARY MICRO AND SMALL ENTERPRISES
Abstrak: Industrial Revolution 4.0, has changed the basic managerial aspects of an industry. The goal of this era is to transform industries through digitalization. micro and small enterprises are one of the industries that massively contribute to employment, economic growth in Indonesia and Thailand especially very impactful on the socio-economy of the lower middle class community. Technology can utilize its business to quickly adapt, accelerate digital transformation, and survive the COVID-19 pandemic. This study aims to prove the influence of digital technology on the readiness of Micro Small Enterprises to face the Industrial Revolution 4.0, and to improve business performance. Measuring readiness and business performance is necessary to establish a standard for designing business strategies. This research uses quantitative methods with Structural Equation Modeling (SEM) analysis tools on 227 business actors in Indonesia and Thailand. The calculation of the average value of the readiness indicator of Indonesia and Thailand is classified as "achieved" which means that it is capable of applying digital technology to face the 4.0 revolution with an average score of 59.2% and 55.2%, respectively. This study found that the adoption of digital technology by business actors has a very small and insignificant influence on business performance in culinary Micro Small Enterprises, but it affects readiness to face the Industrial Revolution 4.0. Readiness indicators indirectly affect digital technology use and business performance. This research will be useful in determining the state of culinary Micro Small Enterprises in Indonesia and Thailand through comparative studies on the use of digital technology.
Keyword: Adoption of Digital Technology, Business Performance, Industrial Revolution 4.0, Readiness Indicators, Micro and Small Enterprises

Judul: Effect of SME’s E-readiness and Online Food Delivery Apps Adoption toward Business Performance
Abstrak: SMEs played an essential role in facilitating ASEAN growth because SMEs contributed to economic growth, total employment, export, and GDP. The role of SMEs was not only for ASEAN but also for individual countries such as Indonesia and Malaysia. However, in recent years the growth of SME contributions in Indonesia and Malaysia has been fluctuating. The growth rate of SME’s contribution to GDP did not show a significant growth rate, indicating that SME’s performance has not optimum. The fluctuating of SME contribution growth to GDP as an indicator of SME performance that is not yet optimum can be caused by several problems, one of them is the low of technology adoption. The number of SMEs in Indonesia and Malaysia has increased from 2014 until 2019. But, the increase of SME’s numbers has not been able to increase the growth of SMEs' contribution to DGP. On the other hand, higher number of SMEs indicates the higher competition in the SME industry. That way, SMEs need to develop strategies to improve their performance and survive in the competition. E-commerce is an opportunity for SMEs to improve their performance. The large penetration's number on e-commerce's market indicated the potential opportunities that SMEs can access to increase their performance. One of the fast-growing e-commerce was ride-hailing. Ride-hailing is a transportation service provider using a platform or apps to connect drivers with consumers and is supported by GPS systems. The fastgrowing ride hailing type is online food delivery. Previous study stated that the adoption of online food delivery services by SMEs can increase the transaction volume of the food retailing sector. In order to increase SME’s performance through online food delivery adoption as expected, this studies are needed to examine the effect of e-readiness to e-adoption and e-adoption on business performance. However, it was still difficult to find literature specifically discussing e-readiness in online food delivery apps adoption from the SME's perspective. Therefore, it is necessary to discuss more deeply e readiness from the perspective of SMEs and the use of PERM theory in adopting e-commerce type online food-delivery apps. A comparative study was conducted to understand the causal processes involved in the case. The purpose of this study was to understand and compare e-readiness factors that influence online food delivery apps adoption and to understand the effects of online food delivery apps adoption on SME's performance between Malaysia and Indonesia. The number of samples used in this study amounted to 70 respondents. Research using SEM PLS as a data processing tool. The findings showed that Indonesia has more respondents aged 20-30 years old. Otherwise, Malaysia has more respondents aged 30 years old and over. Male respondents dominated both Indonesian and Malaysian respondents. Most Indonesian and Malaysian respondents have business experience from one until ten years. Indonesian respondent excels in business experiences for less than one year, while Malaysia in business experience for more than ten years. The number of short-lived SMEs in Indonesia is higher than in Malaysia, the longer age in Malaysia is higher than in Indonesia. Meanwhile, if viewed from the average sales, the
Keyword: e-adoption, e-readiness, food retailing, online food delivery, SME

Judul: Cycle Hamilton pada Graf Lengkap, Graf Regular, dan Graf 2-Connected 4-Regular Berorder Kurang dari Sepuluh.
Abstrak: Suatu graf disebut graf Hamilton apabila graf tersebut memuat cycle Hamilton, yaitu cycle yang melewati setiap vertex tepat satu kali. Menentukan keberadaan cycle Hamilton pada suatu graf dapat menggunakan syarat cukup yang berupa teorema-teorema yang telah diperkenalkan sejak tahun 1950-an. Beberapa syarat cukup yang dibahas dalam karya ilmiah ini adalah syarat cukup yang berhubungan dengan graf lengkap dan graf regular. ,,,
Keyword: graf Hamilton, graf regular, graf lengkap, graf 2-connected 4-regular.