Said Al Hariri, . A., & Ali Oliwi AL Huzali , S. (2020). Relationships, Differences, and Predicting the Level of Vitamin (D) Deficiency and the Symptoms of Mood Disorder on a Sample of Cliants of some Private Medical Laboratories in Makkah ALMokarramah City – Kingdom of Saudi Arabia. Journal of College of Education, 2(39), 327-346. https://doi.org/10.31185/eduj.Vol2.Iss39.1415