Mehanna, S. “Population Dynamics of Two Cichlids, Oreochromis Aureus and Tilapia ZilIi, from Wadi EI-Raiyan Lakes, Egypt”. Journal of Agricultural and Marine Sciences [JAMS], vol. 9, no. 1, Jan. 2004, pp. 9-16, doi:10.24200/jams.vol9iss1pp9-16.