NOPHAKHUN, W.; CHAPOPACK, P.; SUKSI, U. Risk Assessment of Nitrate and Coli Form in Public Drinking Water at Chiangrai Province. Journal of Health Science of Thailand, [S. l.], v. 26, n. 2, p. 262–271, 2017. Disponível em: https://thaidj.org/index.php/JHS/article/view/82. Acesso em: 21 dec. 2024.