Gateri, L. N., and D. T. Nyakwana. “Factors Predisposing to Drug and Substance Abuse Among the Youth in Gachie, Kiambu County, Kenya”. Journal of Medicine, Nursing & Public Health, vol. 1, no. 1, Mar. 2018, pp. 1-12, https://stratfordjournalpublishers.org/journals/index.php/Journal-of-Medicine-Nursing-P/article/view/119.