Garg, Santosh Kumar <br/><br/>
Ecology and environmental studies  Environmental science and engineering 
Santosh Kumar Garg 
 - 4th rev ed. 
 - Delhi  Khanna publishers  2022 
 - xxiv, 712p. 
<br/><br/><label>ISBN: </label>9788174092182  639 
<br/><br/><label>Subjects--Topical Terms: </label><br/>EVS<br/>Environmental studies<br/>Ecology
<br/><br/><label>Dewey Class. No.: </label>577  / GAR