H. R, S. Zu Nurain Ahmad, N. ‘Ain Nazirah Mohd Arshad, W. Afnizan Wan Mohamed, and S. Nizam Maarup, “Investigation of PO43- Removal in Aerated and Unaerated High Fe EAF-Slag Filter System”, IJET, vol. 7, no. 4.30, pp. 557–561, Nov. 2018, doi: 10.14419/ijet.v7i4.30.28176.