Hilal, N., Zahrim, A., Dexter, Z., Joseph, C., & Hilal, N. (2017). Effective coagulation-flocculation treatment of highly polluted palm oil mill biogas plant wastewater using dual coagulants: Decolourisation, kinetics and phytotoxicity studies. Journal of Water Process Engineering, 16, pp. 258-269. doi:10.1016/j.jwpe.2017.02.005

Hilal, Nidal, A.Y Zahrim, Z.D Dexter, C.G Joseph, and N. Hilal. "Effective Coagulation-flocculation Treatment of Highly Polluted Palm Oil Mill Biogas Plant Wastewater Using Dual Coagulants: Decolourisation, Kinetics and Phytotoxicity Studies." Journal of Water Process Engineering 16 (2017): 258-269.

Hilal, Nidal, et al. "Effective Coagulation-flocculation Treatment of Highly Polluted Palm Oil Mill Biogas Plant Wastewater Using Dual Coagulants: Decolourisation, Kinetics and Phytotoxicity Studies." Journal of Water Process Engineering 16 (2017): 258-269.