Tri Yogi, Fitri lestari, Regi Fernandez, Darwan Effendi. Analisis Pendapatan Usaha Pengolahan Kopi Bubuk Robusta (Coffea Canephora) (Studi Kasus : UMKM Air Lanang Coffee) Kabupaten Rejang Lebong. Jejak digital [Internet]. 2025 Jul. 1 [cited 2025 Dec. 3];1(4):1947-56. Available from: https://indojurnal.com/index.php/jejakdigital/article/view/497