TRI MARTIAL; UMMU HARMAIN; AHMAD RIZKI HARAHAP; MITRA MUSIKA; MUHAMMAD ARIEF TIRTANA. Enhancing Farm Household Income Through Efficient Arabica Coffee Cultivation In Simalungun, North Sumatera. Jurnal AGRISEP: Kajian Masalah Sosial Ekonomi Pertanian dan Agribisnis, [S. l.], v. 23, n. 02, p. 425–452, 2024. DOI: 10.31186/jagrisep.23.02.425-452. Disponível em: https://ejournal.unib.ac.id/agrisep/article/view/34853. Acesso em: 19 apr. 2025.