"Study of the Vegetation cover along the coastal area of Al Rayyan-Mayfa Hadramout-Yemen" (2023) Hadhramout University Journal of Natural & Applied Sciences, 16(1). موجود في: https://hu.edu.ye/hu-publications/journals/index.php/hujnas/article/view/173 (تاريخ الوصول: 29 يوليو 2026).