Rana, S.V.S. <br/><br/>
Essentials of Ecology and Environmental Science 
by S.V.S.Rana 
 - New Delhi  Prentice Hall of India  2003 
 - xi, 368p. 
<br/><br/><label>ISBN: </label>8120323203 9788120323209 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental science<br/>Ecology
<br/><br/><label>Dewey Class. No.: </label>628 RAN