Hailu, Y., T. Hanchiso, and A. Bereta. “Municipal Solid Waste Source Identification, Characterization and Physical Composition Analysis, Case Study Wolkite Town, Ethiopia”. Thematics Journal of Geography, Vol. 8, no. 1, Jan. 2019, https://www.thinkindiaquarterly.org/index.php/tjg/article/view/8212.