C.O.A. Turingan, J.H. Delantar, A.C.Q. Arceo, C.S.G. Hong, C.I.B. Sungcang, L.K.L. Villanueva, L. Bautista-Patacsil, A.B. Beltran, A.H. Orbecido, Efficacy of Limestone and Laterite Mine Waste in the Passive Treatment of Acid Mine Drainage, Chemical Engineering Transactions. 94 (2022) 1207-1212. doi:10.3303/CET2294201.