SIREGAR, Nelda Fitry; PURWOKO, Agus; ANDAYANI, Lita Sri. Effect Of Modernization On Cooperative Performance in Medan City . Journal of Environmental and Development Studies, [S. l.], v. 3, n. 1, p. 01–08, 2022. DOI: 10.32734/jeds.v3i1.7369. Disponível em: https://talenta.usu.ac.id/jeds/article/view/7369. Acesso em: 18 may. 2026.