Mapatac L, Atega T. Small-Scale Gold Mining and Heavy Metal Pollution: Assessment on the Physicochemical Parameters in the Surface Water Resources in Surigao City. RMRJ [Internet]. 2024 Jun. 29 [cited 2024 Dec. 22];12(1):145-56. Available from: https://rmrj.usjr.edu.ph/rmrj/index.php/RMRJ/article/view/432