Referensi : Abdelaziz, M.A. and Zaki, M.M. 2010. Investigation of Mass Mortality Problem of Oreochromis niloticus in Mariotia Channel in Egypt. World Journal of Fish and Marine Sciences, Vol. 2, no. 5, pp. 461-470 Boyd, C.E. 1982. Water Quality Management for Pond Fish Culture. Elsevier Scientific Publishing Company. Amsterdam. 318 pp. Laws, E.A. 2000. Aquatic Pollution : An Introductory Text. 3rd ed. John Wiley & Sons. New York
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