Environment/ 
The publisher 
 - 9th ed. 
 - Chennai  Shankar IAS Academy Book Publications  2021(rev) 
 - lvi, 448 p. 
<br/><br/><label>ISBN: </label>9788193422601 (pbk) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociology
<br/><br/><label>Dewey Class. No.: </label>363.7-ENV  Y2651