Sandra, Indah Kartika, Hendris Syah Putra, and M. Fariz Afif Hasibuan. “Social Sustainability of Smallholder Coffee Partnerships and SDG Linkages in North Sumatra Province”. Journal of Agricultural Socio-Economics (JASE) 7, no. 1 (June 30, 2026): 21-38. https://doi.org/10.33474/jase.v7i1.25103.