RANCANG BANGUN SISTEM INFORMASI MONITORING UMKM BERBASIS MOBILE (STUDI KASUS: DINAS KOPERASI, UKM, PERINDUSTRIAN DAN PERDAGANGAN KOTA MEDAN). JOURNAL OF SCIENCE AND SOCIAL RESEARCH, [S. l.], v. 7, n. 3, p. 1286–1292, 2024. DOI: 10.54314/jssr.v7i3.2128. Disponível em: https://goretanpena.com/jurnal/index.php/JSSR/article/view/2128.. Acesso em: 1 aug. 2026.