Hariz Amran, A., Syamimi Zaidi, N., Muda, K., & Wai Loan, L. (2018). Effectiveness of Natural Coagulant in Coagulation Process: A Review. International Journal of Engineering & Technology, 7(3.9), 34-37. https://doi.org/10.14419/ijet.v7i3.9.15269