Idowu, A., Aremu, A. O., Olumide, A., & Ogunlaja, A. O. (2018). Substance abuse among students in selected secondary schools of an urban community of Oyo-state, South West Nigeria: implication for policy action. African Health Sciences, 18(3), 776–785. https://doi.org/10.4314/ahs.v18i3.36