Dewi S. Analysis of Determining Effective Distribution Channels for Coffee Farmers in Gondowido Village, Ngebel District, Ponorogo Regency. Eqien [Internet]. 2022 Dec. 3 [cited 2026 Oct. 12];11(03):728-37. Available from: https://stiemuttaqien.ac.id/ojs/index.php/OJS/article/view/1154