Saeed, S.M. and Shaker, I.M. (2008) Assessment of Heavy Metals Pollution in Water and Sediments and Their Effect on Oreochromis Niloticus in the Northern Delta Lakes, Egypt. 8th International Symposium on Tilapia in Aquaculture, 475-490.
 Elewa, A.A., Saad, E.A., Shehata, M.B. and Ghallab, M.H. (2007) Studies on the Effect of Drain Effluents on the Water Quality of Lake Manzala. Egyptian Journal of Aquatic Biology and Fisheries, 11, 65-78.
 Seshan, B.R.R., Natesan, U. and Deepthi, K. (2010) Geochemical and Statistical Approach for Evaluation of Heavy Metal Pollution in Core Sediments in Southeast Coast of India. International Journal of Environmental Science and Technology, 7, 291-306.
 Liaghati, T., Preda, M. and Cox, M. (2003) Heavy Metal Distribution and Controlling Factors within Coastal Plain Sediments, Bells Creek Catchments, Southeast Queensland, Australia. Environment International, 29, 935-948.
 Tomilson, D.C., Wilson, D.J., Harris, C.R. and Jeffrey, D.W. (1980) Problem in Assessment of Heavy Metals in Estuaries and the Formation of Pollution Index. Helgolander Meeresuntersuchungen, 33, 566-575.
 Saad, M.A.H., Ezzat, A.A., El-Rayis, O.A. and Hafez, H. (1981) Occurrence and Distribution of Chemical Pollutants in Lake Mariut, Egypt. II. Heavy Metals. Water, Air, and Soil Pollution, 16, 401-407.
 Buccolieri, A., Buccolieri, G. and Cardellicchio, N. (2006) Heavy Metals in Marine Sediments of Taranto Gulf (Ionian Sea, Southern Italy). Marine Chemistry, 99, 227-235.
 El-Alfy, M.A. (2011) An Integrated Approach for Monitoring the Impact of Industrial Activities on the Northeastern Part of Manzala Lagoon, Egypt. Master’s Thesis, Environmental Sciences Department, Damietta Faculty of Science, Mansoura University, Mansoura.
 Arain, M.B., Kazi, T.G., Jamali, M.K., Afridi, H.I., Baig, J.A., Jalbani, N. and Shah, A. (2008) Evaluation of Physico-Chemical Parameters of Manchar Lake Water and Their Comparison with Other Global Published Values. Pakistan Journal of Analytical & Environmental Chemistry, 9, 101-109.
 Ali, M. and Abdel-Satar, A. (2005) Studies of Some Heavy Metals in Water, Sediment, Fish and Fish Diets in Some Fish Farms in EL-Fayoum Province. Egyptian Journal of Aquatic Research, 31, 261-273.
 Bahnasawy, M.H., Khidr, A.A. and Dheina, N.A. (2009) Assessment of Heavy Metals Concentrations in Water, Plankton and Fish of Lake Manzala, Egypt. Egyptian Journal of Aquatic Biology and Fisheries, 13, 117-133.
 El-Serehy, H.A., Aboulela, H., Al-Misned, F., Kaiser, M., Al-Rasheid, K. and Ezz El-Din, H. (2012) Heavy Metals Contamination of a Mediterranean Coastal Ecosystem, Eastern Nile Delta, Egypt. Turkish Journal of Fisheries and Aquatic Sciences, 12, 751-760.
 Hamed, Y.A., Abdelmoneim, T.S., ElKiki, M.H., Hassan, M.A. and Berndtsson, R. (2013) Assessment of Heavy Metals Pollution and Microbial Contamination in Water, Sediments and Fish of Lake Manzala, Egypt. Life Science Journal, 10, 86-99.
 European Union (2002) Heavy Metals in Wastes, European Commission on Environment.
 Saeed, S.M. and Mohammed, M.A. (2012) Influence of Physico-Chemical Characteristics of Water on Metals Accumulation in Water and Tilapia Zillii Inhabiting Different Habitats in Egypt. Journal of the Arabian Aquaculture Society, 7, 29-50.
 El-Bady, M.S.M. (2014) Spatial Distribution of Some Important Heavy Metals in the Soils South of Manzala Lake in Bahr El-Baqar Region, Egypt. Nova Journal of Engineering and Applied Sciences, 2, 1-15.
 Dan, S.F., Umoh, U.U. and Osabor, V.N. (2014) Seasonal Variation of Enrichment and Contamination of Heavy Metals in the Surface Water of Qua Iboe River Estuary and Adjoining Creeks South-South Nigeria. Journal of Oceanography and Marine Science, 5, 45-54.