Elwafa, Abdulhakim, Ali Hawad, and Shamkha Mrami. 2024. “The Prevalence of Vitamin D Deficiency Among Students of Faculty of Engineering and Technical Sciences in Brack Al-Shatti”. Wadi Alshatti University Journal of Pure and Applied Sciences 2 (1): 84-89. https://waujpas.com/index.php/journal/article/view/61.