El Alfy, Youssef <br/><br/>
6. Irrigation structures  [[Book] /] 
Youssef El Alfy. 
 - Cairo :  October 6 University.,  2003. 
 - various pages :  ill ;  23 cm. 
<br/><br/> All age. 
<br/><br/><label>ISBN: </label>9771932861 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Irrigation engineering.
<br/><br/><label>Dewey Class. No.: </label>627.52 
<br/><br/><label>National Library of Medicine Call No.: </label>627.52  / E I