Abdel Fattah,Ibrahim Mohamed Shaker. <br/><br/>
Effect of some environmental conditions on the properties of the soils and waters of fish cultures and their productivity  [microform]/ 
 تأثير بعض الظروف البيئية على خواص تربة و مياه المزارع السمكية و إنتاجيتها. 
Ibrahim Mohamed Shaker Abdel Fattah. 
 -  1998. 
 - 180,3Leaves:  ill.;  30 cm. 
<br/><br/>Thesis (Ph.D.)--Alazhar University,1998. 
<br/><br/>Includes bibliographical references (leaves 141-180) 
<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/>Fishes--Environmental aspects.