Hafez, Fatma Abd El-Fattah Fahmy. <br/><br/>
Studies on some productive traits in fish  [microform] / 
Fatma Abd El-Fattah Fahmy Hafez. 
 -  1991. 
 - 196, 4 leaves :  ill. ;  30 cm. 
<br/><br/>Thesis (Ph.D.)--Zagazig University, 1991. 
<br/><br/>Includes bibliographical references (leaves 143-151) 
<br/><br/><br/>Microfiche. <br/>ASUNET, <br/>Ain Shams University, <br/>4 microfiches : negative. 
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fishes--Physiology.<br/>Fishes--Breeding.