Santra, S. C. <br/><br/>
Environmental science  : for students of Indian universities 
S. C. Santra 
 - 2nd sdition 
 - Kolkata:  New central book agency,  2008. 
 - xxix, 1244p. 
<br/><br/> PB 
<br/><br/><br/>Eng 
<br/><br/><label>ISBN: </label>817381404X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology<br/>Environmental movements
<br/><br/><label>Dewey Class. No.: </label>577  / SAE