Chanapai, Supakorn, Wilailak Suanmali, and Khwanruthai Thongboonrith. “Studies of Groundwater Quality in Nakhonchum District, Kamphaeng Phet Province”. The Golden Teak : Science and Technology Journal (GTSJ.) 3, no. 1 (April 30, 2026): 39–45. accessed September 13, 2026. https://li02.tci-thaijo.org/index.php/gts/article/view/1733.