Firas Abbas Fadhil. "Post-Traumatic Risk Factors in Heroin Addiction Patients Undergoing Substitution Treatment". International Journal on Humanities and Social Sciences, no. 20 (أبريل 16, 2021): 323-343. تاريخ الوصول أبريل 16, 2026. https://www.ijohss.com/index.php/IJoHSS/article/view/233.