มาจันแดง จ. DRASTIC: Geographic Information System Model for Evaluating Groundwater Pollution Potential. KKU Sci. J. [internet]. 2013 Sep. 30 [cited 2026 Aug. 26];41(3):621-37. available from: https://ph01.tci-thaijo.org/index.php/KKUSciJ/article/view/249153