assuit university. <br/><br/>
assuit university bulletin for environmental researches  [Book /] 
assuit university. 
 - assuit   :  assuit university center ,  1998. 
 - 46 p.  ;  30 cm . 
 - 2  1 .
<br/><br/> All age. 
<br/><br/><label>Dewey Class. No.: </label>382.242