MANAYE, Y.; KEBEDE, S.; YESHANEW, B. 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, [S. l.], v. 1, n. 2, p. 28–43, 2022. DOI: 10.20372/hjhms.v1i2.95. Disponível em: http://journals.ddu.edu.et/index.php/HJHMS/article/view/95. Acesso em: 14 oct. 2025.