OTHMAN, Mokhtar. Evaluation of Drinking Water Aptness in Some Directorates of Dhamar – Yemen. Yemeni Journal of Agriculture & Veterinary Sciences, [S. l.], v. 1, n. 1, 2021. Disponível em: http://journal.tu.edu.ye/index.php/yjavs/article/view/16. Acesso em: 16 may. 2024.