Pratama H, Nursanto E, Ernawati R, Giatman M. Adsorption of Heavy Metals Fe and Mn in Acid Mine Drainage from Coal Mining Waste Using Calcium Oxide and Fly Ash. INVOTEK [Internet]. 2022Sep.10 [cited 2026Jul.15];22(2):107-16. Available from: http://invotek.ppj.unp.ac.id/index.php/invotek/article/view/1020