MA Jamda, U Bajoga, and AU Gajida. “Knowledge and Practice of Smoking Cessation Services Among Health Care Workers in Abuja, Federal Capital Territory, Nigeria”. Journal of Community Medicine & Primary Health Care, vol. 27, no. 1, Mar. 2015, pp. 37-45, https://jcmphc.org/index.php/jcmphc/article/view/155.