Mengistu, Fentahun, Fikadu Chala, and Biniyam Tesfaye. “The State of Conservation Agriculture Practices in Jimma and Illu-Ababora Zones of Oromia Region, Ethiopia”. Ethiopian Journal of Applied Science and Technology 10, no. 2 (August 3, 2020): 11-21. Accessed June 24, 2024. https://ejhs.ju.edu.et/index.php/ejast/article/view/2147.