Muadchim, M.; Do, M.; Chuasuwan, S.; Mad-Adam, S.; Siriwat, A.; Anutarapongsakul, S. Water Supply and Well Water Suitability for Drinking in Communities at Sumnakkham in Songkhla Special Economic Zone and Nearby Area. YRU J. Sci. Technol. 2021, 6, 211-218.