GUEVARRA, Duane G.; ALCALA, Moses L. A Geochemical Investigation and Review of Hydrogeology of the Dumaguete Aquifer. Silliman Journal, Dumaguete, Philippines, v. 65, n. 2, 2025. Disponível em: https://su-journal.su.edu.ph/index.php/sj/article/view/598. Acesso em: 9 mar. 2026.