"Assessment of Bacteriological Quality of Drinking Water in Some Primary and Secondary Schools in Mukalla City-Hadhramout/Yemen", HADHRAMOUT JOURNAL OF MEDICAL SCIENCES, م 16, عدد 2, نوفمبر 2023, تاريخ الوصول: 29 يوليو، 2026. [مباشر على الإنترنت]. موجود في: https://hu.edu.ye/hu-publications/journals/index.php/hujnas/article/view/116