Loffredo, Christopher A., Yousri Edward Shaker, Irene A. Jillson, Dina N.K. Boulos, Doa’a A. Saleh, Magdy Garas, Mar-Jan Ostrowski, Xiaoyang Sun, Xiaofei Chen, Benjamin Shander, and Sania Amr. “Prevalence and Correlates of Substance Use by Egyptian School Youth”. International Journal of Alcohol and Drug Research 6, no. 1 (October 4, 2017): 37-51. Accessed April 24, 2024. https://ijadr.org/index.php/ijadr/article/view/242.