Dechsiri, B. and Pummakarnchana Robert, O. (2019) “Drug Trafficking Estimation based on Geo-statistics”, Defence Technology Academic Journal. Bangkok, Thailand, 1(3), pp. 52–61. available at: https://sc01.tci-thaijo.org/index.php/dtaj/article/view/240525 (accessed: 12 February 2025).