Roba, Alemayehu Diriba. “Assessment of Coffea Shade Value through Comparison of Mountainous Area With Farm Land Coverage, in Arsi Gololcha District, Oromia, Ethiopia”. Journal of Botanical Research 3, no. 4 (October 9, 2021): 29–36. Accessed May 2, 2024. https://journals.bilpubgroup.com/index.php/jbr/article/view/3586.