HADI, Abdul; ULFIANDI, Ihsan Zikri. The Role of Koperasi and UMKM in Improving Communities: A Case Study of Greater Malang. Journal of Economics and Social Sciences (JESS), [S. l.], v. 4, n. 2, p. 493–500, 2025. DOI: 10.59525/jess.v4i2.849. Disponível em: https://www.journal.civiliza.org/index.php/jess/article/view/849. Acesso em: 5 apr. 2026.