Oreochromis Niloticus اريوكرومس نيلوتكس Hossam Hassan Hussein Abbas creator preparation. Haggag Ali Mohamed thesis advisor. Mohamed Assem Marei thesis advisor. Gamal El-Naggar thesis advisor. text theses ua 1994 monographic eng ara 99 Leaves : illustrations 30 cm. + specialized By Hossam Hassan Hussein Abbas ; Supeervised Dr. Haggag Ali Mohamed, Dr. Mohamed Assem Marei, Dr. Gamel El-Naggar Thesis (M.Sc.)-Cairo University, 1994 Bibliography: pages 69-99 Nile tilapia EG-GICUC 260420 20260505120452.0 eng