Kumar, H.D. <br/><br/>
Modern Concept of Ecology 

 - 8th /   1999. 
 - New Delhi:  Vikash Publishing House Pvt. Ltd.,  1999. 
 - 478p. 
<br/><br/><label>Subjects--Personal Names: </label><br/>Zoology, Ecology. 
<br/><br/><label>Dewey Class. No.: </label>574.5