Assessment of the extent of health and occupational risks for workers in sewage pumping stations/ Mukalla City- Hadhramout Governorate. Humanities and Educational Sciences Journal, [S. l.], v. 7, n. 17, p. 337–357, 2021. DOI: 10.55074/hesj.v7i17.315. Disponível em: https://hesj.org/ojs/index.php/hesj/article/view/315. Acesso em: 27 jul. 2026.