Mapatac, Levitah, and Teresita Atega. “Small-Scale Gold Mining and Heavy Metal Pollution: Assessment on the Physicochemical Parameters in the Surface Water Resources in Surigao City”. Recoletos Multidisciplinary Research Journal 12, no. 1 (June 29, 2024): 145–156. Accessed July 3, 2024. https://rmrj.usjr.edu.ph/rmrj/index.php/RMRJ/article/view/432.