Gada Gizachew Wakjira. The Significance Effect of Coffee Quality Practices on Sustainable Export Performance the Mediating Role of Coffee Processing Performance: In Case of Oromia Regional State, West Guji Zone state, West Guji Zone. Partners Universal International Research Journal [Internet]. 2022 Dec. 31 [cited 2026 Apr. 22];1(4):75-8. Available from: https://www.puirj.com/index.php/research/article/view/60