Ibrahim,Essam Mohamed. <br/><br/>
Biological performance and economical return of fish polyculture by regimes of artificial feeding  [microform]/ 
 الدراسات البيلوجية و العائد الاقتصادى للاستزراع المختلط للأسماك بواسطة نظم التغذية الاصطناعية. 
Essam Mohamed Ibrahim. 
 -  2001. 
 - 141,3Leaves:  ill.;  30 cm. 
<br/><br/>Thesis (Ph.D.)--Cairo University,2001.+PDF 
<br/><br/>Includes bibliographical references (leaves 116-141) 
<br/><br/><br/>Microfiche. <br/>Cairo,Egypt: <br/>ASUNET, <br/>3 microfiches:negative. 
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fish-culture.<br/>Artificial feeding.<br/>Fishes--Feeding and feeds.