Kahssay, G. . (2023) “Filling Rate of Pit Latrines: A Case Study”, Zede: Journal of Ethiopian Engineers and Architects የኢትዮጵያ መሐንዲሶችና አርክቴክቶች መጽሔት, 10, pp. 38–40. Available at: https://ejol.aau.edu.et/index.php/ZEDE/article/view/6330 (Accessed: 10April2026).