Balaraman, A. K., A. ur Rahman, Y. W. Xuan, F. Keshavarzi, and M. J. Farrukh. “Smoking Cessation Practitioners Views Towards Safety and Effectiveness of Electronic Cigarettes in Klang Valley, Malaysia: A Qualitative Study Approach”. Current Trends in Biotechnology and Pharmacy, vol. 16, no. 1, Feb. 2022, pp. 77-88, doi:10.5530/ctbp.2022.1.8.