Tongngern, sutat, S. Choosakoonkriang, and S. Supalaknari. “Analysis of demographic data of the offenders and case data of narcotics cases in Ban Pong district in 2015”. Rajamangala University of Technology Tawan-ok Social Science Journal, vol. 9, no. 1, June 2020, pp. 123-3, https://so05.tci-thaijo.org/index.php/SocialJournal2rmutto/article/view/242186.