Guevarra, Duane G., and Moses L. Alcala. “A Geochemical Investigation and Review of Hydrogeology of the Dumaguete Aquifer”. Silliman Journal 65, no. 2 (March 17, 2025). Accessed April 2, 2025. https://sillimanjournal.su.edu.ph/index.php/sj/article/view/598.