ANALISIS LAPORAN KEUANGAN (NPM, ROA, ROE) PADA UMKM RUJAK TOGOK DI DELI SERDANG. JOURNAL OF SCIENCE AND SOCIAL RESEARCH, [S. l.], v. 9, n. 4, p. 6275 – 6280, 2026. DOI: 10.54314/jssr.v9i4.6926. Disponível em: https://jurnal.goretanpena.com/index.php/JSSR/article/view/6926.. Acesso em: 21 aug. 2026.