R. M. S. H. B. Medawela, D. R. D L Ratnayake, L. K. . N. Premathilake, and R. D. Jayasinghe, “Attitudes, Confidence in Practices and Perceived Barriers Towards the Promotion of Tobacco Cessation among Clinical Dental Undergraduates in Sri Lanka”, Asian Pac J Cancer Care, vol. 6, no. 2, pp. 175–179, May 2021.