Wolka, K., and M. Negash. “Farmers’ Adoption of Soil and Water Conservation Technology: A Case Study of The Bokole and Toni Sub-Watersheds, Southern Ethiopia”. Journal of Science and Development, vol. 2, no. 1, July 2021, pp. 35-48, https://journals.hu.edu.et/hu-journals/index.php/agvs/article/view/56.