Rana, S. V. S. <br/><br/>
Essentials of ecology and environmental science / 
S. V. S. Rana. 
 - New Delhi :  Prentice-Hall of India,  2003. 
 - xi, 368. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>8120323203  RM17.47 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology.<br/>Environmental science.<br/>Environmental protection.