Bekere, Yadeta Bekele, and Guta Regasa Megersa. “COFFEE CERTIFICATION PARTICIPATION AND ITS IMPACT ON SMALLHOLDER FARMERS’ INCOME IN JIMMA ZONE, SOUTHWESTERN ETHIOPIA”. Agricultural Socio-Economics Journal 21, no. 2 (May 1, 2021): 87–102. Accessed April 26, 2024. https://agrise.ub.ac.id/index.php/agrise/article/view/474.