Dechsiri, Benjamart, and Ornprapa Pummakarnchana Robert. “Drug Trafficking Estimation Based on Geo-Statistics”. Defence Technology Academic Journal 1, no. 3 (December 25, 2019): 52–61. Accessed September 8, 2024. https://sc01.tci-thaijo.org/index.php/dtaj/article/view/240525.