MANL, M. Ground water Quality in Ubon- Ratchathani University Campus. Engineering and Applied Science Research, [S. l.], v. 24, n. 1, p. 51–62, 2013. Disponível em: https://ph01.tci-thaijo.org/index.php/easr/article/view/8014. Acesso em: 31 aug. 2026.