Zakharia, Anantha, Irvan Hermala, and Putie Maharani. 2023. “Prevention of the Spread of the COVID-19 Virus With an Online to Offline Shopping System With an Independent Self-Service Concept Using a Miniature Solar-Powered Mobile Market”. Jurnal Pengabdian Masyarakat Formosa 2 (1):21-28. https://doi.org/10.55927/jpmf.v2i1.2106.