Gashaw, Tesfa, Tesfaw Getnet, and Wubshet Bethlehem. 2023. “Littering Attitude, Belief, and Practice of Students at Addis Ababa University: Qualitative Exploration”. Ethiopian Journal Of Behavioural Studies 5 (2):1-34. https://ejol.aau.edu.et/index.php/ejobs/article/view/7739.