KAHSSAY, G. . Filling Rate of Pit Latrines: A Case Study. Zede Journal of Ethiopian Engineers and Architects, [S. l.], v. 10, p. 38–40, 2023. Disponível em: http://ejol.aau.edu.et/index.php/ZEDE/article/view/6330. Acesso em: 25 nov. 2024.