"Studying The Effect of Irrigation Periods and Potassium Fertilization on The Growth of Sorghum" (2024) Hadhramout University Journal of Natural & Applied Sciences, 21(1). موجود في: https://hu.edu.ye/hu-publications/journals/index.php/hujnas/article/view/598 (تاريخ الوصول: 30 يوليو 2026).