Chanapai, Supakorn, Wilailak Suanmali, and Khwanruthai Thongboonrith. 2026. “Studies of Groundwater Quality in Nakhonchum District, Kamphaeng Phet Province”. The Golden Teak : Science and Technology Journal (GTSJ.) 3 (1):39-45. https://li02.tci-thaijo.org/index.php/gts/article/view/1733.