The development of technology and science in the Industrial Revolution 4.0 era requires companies to increase effectiveness and efficiency to maintain a competitive advantage. Supply chain management is the integration of business processes involving end customers and key suppliers whose function is to provide value to customers and stakeholders by providing products, services, and information. Implementation of supply chain management is considered an operational function or company activity that greatly determines the effectiveness and efficiency of the supply chain. This research aims to analyze the relationship between the implementation of supply chain management and the performance of small and medium enterprises (SMEs), the relationship between supply chain management, and the relationship between competitive advantage and the performance of SMEs. The research uses a quantitative descriptive approach. The quantitative approach is data in the form of numbers which are generally arranged through structured questions. The questionnaire contains statement items designed using a Likert scale from 1 to 7. The data in this study uses cross-sectional data because the data collection was carried out in a certain period. The data was obtained from distribution of online questionnaires via social media. The unit of analysis used in this research is the owners/managers of SMEs in Indonesia. The sampling technique used in this research is a non-probability sampling technique, namely purposive sampling. The total sample for this research was 432 respondents. The data management used in this research is the Structural Equation Model (SEM) method, which is a collection of statistical testing techniques on a series of relatively complex relationships, simultaneously. The data processing tool is SmartPLS 3.0. The SEM technique is used to examine and justify different hypotheses of the survey. Hypothesis testing is carried out by comparing the p-value with a confidence level (alpha) of 5% (

This study aims to determine the effect of supply chain visibility on business performance, to determine the effect of supply chain flexibility on business performance and to determine the effect of supplier development on business performance. The sample of respondents in this study were 120 respondents from logistics companies in Tangerang. Type of research is quantitative research. The data analysis technique used structural equation modeling and SmartPLS for analyzing data. The data collection method in this study was carried out using a survey method, namely by distributing online questionnaires to respondents in the form of questions. The data collection method in this study was an online questionnaire by google form. The sample selection method in this study is simple random sampling. The results of the analysis that have been carried out concluded that Inventory Control, Supply Chain Flexibility, Supply Chain Visibility, Supplier Development had positive and significant influence on business performance.

The purpose of this study was to analyze the effect of social media marketing variables on brand image variables and e-commerce customer loyalty variables in Indonesia. The method used in this study uses quantitative methods through online surveys. This study used a sample of 345 respondents who were determined by the snowball sampling method. The research data was distributed using an online questionnaire via Google form. Data analysis of this research uses a SEM model using SmartPLS 3.0 software. Based on data analysis, it can be concluded that the Social media marketing variable has a significant effect on the brand image of e-commerce consumers, the brand image variable has a significant effect on the e-commerce consumer loyalty variable and the Social media marketing variable has a significant effect on the e-commerce consumer loyalty variable.