“Bioremediation Activity Of Isolated Chromium-Resistant Bacteria From Estuary Sediments In La Union, Philippines”. PUP Journal of Science and Technology 12, no. 1 (September 27, 2022): 19–40. Accessed April 3, 2025. https://publishing.pup.edu.ph/ojs/index.php/PUP-JST/article/view/251.