Mayada Kamel Mohammed, Nisreen Mohammed Ibraheem, and Maysaloon Ahmed Khudhair. “Knowledge and Attitude of Substance Abuse Among Youths in Tikrit-Iraq”. Journal of Population Therapeutics and Clinical Pharmacology 28, no. 2 (January 21, 2022). Accessed October 11, 2025. https://www.jptcp.com/index.php/jptcp/article/view/865.