Mohamed Mftah Zayed, Hussein Faraj Salama, Ali Guma Azbida, Fawzia Kahbar. The Prevalence of Vitamin D Deficiency: A Comparison Study in Two Libyan Cities Exemplified by Tarhuna and Tripoli. روافد المعرفة [انترنت]. 1 ديسمبر، 2023 [وثق 29 سبتمبر، 2025];4(8):146-52. موجود في: https://ra.azu.edu.ly/index.php/rawafed-almarefa/article/view/79