Sunsitthisawad, W., kiratiworasakun, C., & Ruangjab, K. (2017). Tap water quality and satisfaction of water users to village ground water supply in Houy Sam Mor Basin, Khon Kaen province (Thai). Asia-Pacific Journal of Science and Technology, 14(10), 961–974. retrieved from https://so01.tci-thaijo.org/index.php/APST/article/view/83576