Z Radzi E, S Wahab M, Z Sahdan M, Hamdan R, A Raus A. The Effects of using Stepped Cascade Aeration and Multimedia Filter System for Iron Removal in Groundwater. IJET [Internet]. 2019 Jan. 24 [cited 2025 Aug. 17];8(1.1):201-6. Available from: https://mail.sciencepubco.com/index.php/IJET/article/view/24660