Environmental science 
D.D. Chaturvedi ... [et al.] 
 - 2nd 
 - New Delhi  Scholar Tech Press  2017 
 - 7.40+Q12 
<br/><br/><label>ISBN: </label>9789382209911 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology-Environmental aspects<br/>Environment<br/>Environmental science -Study and teaching
<br/><br/><label>Dewey Class. No.: </label>363.7071154  / CHA P17