Mohamed, Safaa Elsayed Gharib  <br/><br/>
Construction and environmental control of a small- scale fish tank for breeding and producing freshwater fish  [electronic resource] / 
 إنشـــاء وتحكــم بيئى لحــوض سمكي صغير لتـربيــة وانتــاج أسمـاك الميــاه العــذبــة 
Safaa Elsayed Gharib Mohamed 
 - 2016. 
<br/><br/>Thesis (Ph.D.) --Zagazig University ,2016 . 
<br/><br/>Includes bibliographical references (Leaves 74-86 ) 
<br/><br/><br/>Systems requirements : Adobe Reader 
<br/><br/><br/>Summary in Arabic  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Freshwater fishes.<br/>Fish Productions.<br/>Fish ponds --Fertilization