Aweng, E.R., Jessuta, J., Prawit, K. and Liyana, A. A. Potential of psidium guavajava sp. Shoot extract as coagulant for water treatment. The 3rd international conference on water resources ICWR-2015 Malaysia. 2015.
 Prasad, R.K. Color removal from distillery spent wash through coagulation using Moringa oleifera seeds: Use of optimum response surface methodology. J. Hazardous Materials, 165: 804-811, 2009.
 Ndabigengesere, K.S. Narasiah, and B.G. Talbot. Active Agent and Mechanism of Coagulation of Turbid Waters Using Moringa oleifera, Water Research, Vol. 2, pp. 703-710, 1995.
 Ahlam Z. A. Use of Walnut (Juglans SPP.) Coat as Natural Coagulant Aid with Alum Compared with Alum Alone or Alum with Synthetic Polyelectrolyte in Turbidity Removal. Al-Rafidain Engineering Vol.17 No.3 June, 2009.
 Ratshilivha, N., Awouafack, M.D., du Toit, E.S., and Eloff, J.N. The variation in antimicrobial and antioxidant activities of acetone leaf extracts of 12 Moringa oleifera (Moringaceae) trees enables the selection of trees with additional uses. South African Journal of Botany, 92, 59-64, 2014.
 Reddy DHK, Harinath Y, Seshaiah K, and Reddy AVR. Biosorption of Pb(II) from aqueous solutions using chemically modified Moringa oleifera tree leaves. Chemical Engineering Journal 162:626-634. DOI: http://dx.doi.org/10.1016/j.cej.2010.06.010, 2010.
 Reddy D.H.K., Seshaiah, K, Reddy, A.V.R., and Lee S.M. Optimization of Cd(II), Cu(II) and Ni(II) biosorption by chemically Modified Moringa oleifera leaves powder. Carbohydrate Polymers 88, 1077- 1086, 2012.
 Eman N. Ali. Biosorption of Cd (II) from water by Moringa oleifera Leaves. Advanced Materials Research Vol. 925 (2014) pp 223-227. Trans Tech Publications, Switzerland doi:10.4028/www.scientific.net/AMR.925.2 23.
 Muyibi S.A., Ahmed Hissein M Birima, Thamer A. Mohammed, and Megat Johari M. M. Noor. Conventional Treatment Of Surface Water Using Moringa Oleifera Seeds Extract As A Primary Coagulant. IIUM Engineering Journal, Vol. 5, No. 1, 2004.
 Muyibi S.A., Abba S.A. s, J.M.M.N. Megat, and A. Fakhrul-Razi. Enhanced coagulation efficiency of Moringa oleifera seeds through selective oil extraction. IIUM Journal of Engineering 2003.
 American Public Health Association (APHA), American Water Works Association (AWWA) and Water Environment Federation (WEF) Standard Methods for the Examination of Water and Waste-water, 20th edition APHA Publication Office, Washington D.C. 1999.