Essential Environmental Studies 
S.P. Mishra & S.N. Pandey 
 - 4th ed. 
 - New Delhi  Ane Books  2016 
 - xxx,790p.  24cm. 
<br/><br/> Environment 
<br/><br/>Includes bibliographical references and index. 
<br/><br/> Environment 
<br/><br/><br/>Hindi 
<br/><br/><label>ISBN: </label>9789385462030 
<br/><br/><label>Dewey Class. No.: </label>333.7 M69E