Daoprasert, K., D. Pongnikorn, S. Sangkam, M. Parditkay, K. Khamkhod, and P. Suwannamuang. “Cancer epidemiology of an aging population in Upper-Northern Thailand from 2013 to 2017”. Journal of Medicine and Health Sciences, vol. 28, no. 2, Aug. 2021, pp. 66-79, https://he01.tci-thaijo.org/index.php/jmhs/article/view/251555.