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