SITANGGANG, Hendrik; HARAHAP, R.Hamdani; KADIR, Abdul. THE ROLE OF NGO’s IN STRENGTHENING THE FARMER GROUPS (RESEARCH ON THE ROLE OF MERCY CORPS INDONESIA IN HUMBANG HASUNDUTAN DISTRICT). Dinasti International Journal of Education Management and Social Science, [S. l.], v. 2, n. 3, p. 463–473, 2021. DOI: 10.31933/dijemss.v2i3.628. Disponível em: https://dinastipub.org/DIJEMSS/article/view/628. Acesso em: 7 may. 2026.