577<br/>RAN<br/><br/>
129831298012984129851298612987129881298912990<br/><br/>
Rana, S. V. S. <br/><br/>
Essentials of ecology and environmental science 
/ S. V. S. Rana 
. – 4th ed 
. – New Delhi :  PHI Learning, 2010.
<br/><br/>xv, 568 p. 
<br/><br/>ISBN 9788120338944  : Rs. 295.00.
<br/><br/><label>Subjects--Topical Terms: </label><br/>ECOLOGY<br/>ENVIRONMENTAL SCIENCE
<br/><br/><label>Dewey Class. No.: </label>577  / RAN