Shalaby, Naglaa Esmail Mohammed. <br/><br/>
Physicochemical treatments for improving the quality of the aqueous and nutritional environment of fish farms  [computer file]/ 
 معاملات كيميائية طبيعية لتحسين نوعية البيئة المائية والغذائية لمزارع الأسماك. 
Naglaa Email Mohammed Shalaby. 
 -  2008. 
 - Computer laser optical disk;   4 3/4in. 
<br/><br/>Thesis (Ph.D.) -- Zagazig University, 2008. 
<br/><br/><br/>Systems requirments:Adobe Reader. 
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fish ponds.<br/>Fish culture.<br/>Fish ponds--Environmental aspects.