"Indoor/Outdoor Air Quality and Children Health Risk Assessment for PM10 and PM2.5 on Urban Areas at Al- Mukalla City, Yemen" (2023) Hadhramout University Journal of Natural & Applied Sciences, 15(2). موجود في: https://hu.edu.ye/hu-publications/journals/index.php/hujnas/article/view/167 (تاريخ الوصول: 25 يوليو 2026).