Mitkitti, R., P. Thammatha, K. Laosunthara, and C. Laosunthara. “Quality of Life among Successful Quit Smokers, Mae Rai Sub-District Health Promoting Hospital, Mae Chan District, Chiang Rai Province”. Health Science Journal of Thailand, vol. 4, no. 1, Feb. 2022, pp. 44-53, doi:10.55164/hsjt.v4i1.252560.