Manaye, Yibekal, Solomon Kebede, and Berhanu Yeshanew. “Prevalence of Substance Use and Associated Factors Among Preparatory School Adolescents in Dire Dawa City, Eastern Ethiopia:: A School Based Cross-Sectional Study”. Harla Journal of Health and Medical Science 1, no. 2 (December 30, 2022): 28–43. Accessed April 5, 2026. http://197.156.116.44/index.php/HJHMS/article/view/95.