Sitorus H, Harahap H. Institutional Capacity Building to Support the Livelihoods of Coffee Farmers in Horsik Village, Ajibata Subdistrict, Toba Samosir Regency, North Sumatra. jot [Internet]. 2025May26 [cited 2026Oct.7];1(1):40-. Available from: https://oraltraditions.ipmi.or.id/index.php/jot/article/view/38