Vhandola, Prema Nand <br/><br/>
Paryavaran aur jeev (h) 

 -  Himachal Pusthak Bhandar, Delhi  1984 
 - 199 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology; Biology
<br/><br/><label>Dewey Class. No.: </label>H 574.5  VHA-P