“Development Of Appropriate Technology Adoption For Coffee Farmers In Sukawangi Village, Sumedang”. Jurnal Ilmu Sosial Politik dan Humaniora 2, no. 2 (September 20, 2019): 15–26. Accessed September 14, 2026. https://jurnal.fisip.uniga.ac.id/index.php/jisora/article/view/22.