Mohamed Mftah Zayed, Hussein Faraj Salama, Ali Guma Azbida, و Fawzia Kahbar. 2023. "The Prevalence of Vitamin D Deficiency: A Comparison Study in Two Libyan Cities Exemplified by Tarhuna and Tripoli". مجلة روافد المعرفة 4 (8):146-52. https://ra.azu.edu.ly/index.php/rawafed-almarefa/article/view/79.