STRATEGI PENGEMBANGAN UMKM BERFOKUS PADA DIVERSIFIKASI KONSENTRIK STUDI KASUS UMKM WARUNG KOPI CAK KOYEK. Journal of Applied Management Studies, [S. l.], v. 6, n. 2, p. 182–199, 2025. DOI: 10.51713/jamss.2025.6243. Disponível em: https://jamss.untrimbali.ac.id/index.php/JAMSS/article/view/43. Acesso em: 7 nov. 2026.