Manaye, Y., Kebede, S. and Yeshanew, B. (2022) “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(2), pp. 28–43. doi: 10.20372/hjhms.v1i2.95.