Sharma, J P <br/><br/>
Environmental science / 
Sharma, J P 
 - 4 ed. 
 -  University Science Press, NewDelhi,  2017 
 - p. ;  22 cm. 
<br/><br/><label>ISBN: </label>9781422235591 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology; Biodiversity; Conservation
<br/><br/><label>Dewey Class. No.: </label>577 SHA-E4