"A Comparative Study of Vegetation in Madar and Shohouh Valleys in Hadhramout". Hadhramout University Journal of Natural & Applied Sciences 16, no. 1 (ديسمبر 6, 2023). تاريخ الوصول يوليو 29, 2026. https://hu.edu.ye/hu-publications/journals/index.php/hujnas/article/view/176.