“A RESEARCH PROJECT REMOVING HEAVY METALS FROM WASTEWATER OF SMALL-SCALE GOLD MINERS OF CAMARINES NORTE (PHILIPPINES) USING COCO-PEAT AS SORBENT MATERIAL”. ASEAN Engineering Journal 1, no. 1 (September 30, 2012): 22–28. Accessed May 18, 2024. https://journals.utm.my/aej/article/view/15328.