This paper aims to explore the role of service innovation and competitive advantage as a mediator of product innovation on marketing performance of small and medium enterprises (SMEs) manufacturing firms in Indonesia. The sample size used in the research was 180 SMEs and the sampling technique is area (cluster) sampling. Furthermore, the sample criteria or respondents, whose researchers' recommendations for filling in the research instrument are managers and can represent company owners. Findings provide empirical evidence that service innovation on marketing performance; competitive advantage on marketing performance; product innovation on service innovation; and product innovation on competitive advantage have positive and significant effects, except the influence of competitive advantage on marketing performance which was not significant.

This research aims to analyze the impact of supply chain during the Covid-19 pandemic. The study examines the integration of trust with supply chain capability and application on supply chain performance. The novelty in this research is to find out the effects of supply chain applications on supply chain performance with supply chain capability as a mediator. The research location is in East Java while sampling from mini market in cities and regencies includes Surabaya, Malang, Jember, Sumenep, Madiun and Sidoarjo. The sample size in this study consists of 240 respondents. Respondent criteria are minimarket employees who have worked for at least two years. The technique for analyzing data uses the SEM-PLS program. The results indicate that trust suppliers influence supply chain performance meaning that supplier trust for raw material supply companies must be maintained and both parties must have a good relationship with evidence of commitment and mutual trust. Second, supply chain capability also influences supply chain performance and the ability of suppliers to buyers must be maintained. Third, the relationship between supply chain application variables and supply chain performance is also positive and significant. Therefore, cooperation that can be relied upon must still be maintained together. Fourth, there is the influence of supply chain application on supply chain capability, and based on the test results the effect is very dominant, so that the variable supply chain application is the superiority of the results of this study. Fifth, there is a positive and significant indirect effect of SCA variable on SCP through SCC as mediation.