Firmansyah, Reza, Adam Adam, and Beby Masitho Batubara. “Implementation of Government Regulation No. 5 of 2021 Business Licensing for MSEs at the Serdang Bedagai One-Stop Investment and Integrated Services Office ”. Journal La Sociale 6, no. 5 (July 1, 2025): 1345-1353. Accessed June 19, 2026. https://www.newinera.com/index.php/JournalLaSociale/article/view/2264.