Makungo Ireen Mutale, David Kasanga Mwakazanga, David Mulenga, and Seter Siziya. “Prevalence of Cigarette and Marijuana Smoking and Its Associated Factors Amongst Secondary School Going Adolescents in Ndola Urdan, Zambia”. Asian Pacific Journal of Health Sciences 3, no. 3 (September 30, 2016): 241–248. Accessed December 21, 2024. https://apjhs.com/index.php/apjhs/article/view/393.