Wongwiwatthananukit, S., S. Wongwiwatthananukit, R. Dhummauppakorn, and T. Naktuan4. “Development of Smoking Cessation Health-Related Quality of Life Scale”. Science, Engineering and Health Studies, vol. 3, no. 2, Mar. 2013, pp. 18-32, doi:10.14456/sustj.2009.6.