Gusliani, D.; Alatas, A.; Supriyanti, J.; Syuhada, F. A. Strategi Pengembangan Usaha Pengolahan Kopi Robusta (Studi Kasus Kelompok Tani Jaya Abadi Di Nagari Solok Ambah): Robusta Coffee Processing Business Development Strategy (Case Study of the Jaya Abadi Farmers Group In Solok Ambah Village). agrnes 2026, 4, 42-54.