Srivastava, Smriti <br/><br/>
Environmental science 

 - 3rd 
 - New Delhi  S.K. Kataria & sons  2015 
 - 328p. PB 
 -  0 .
<br/><br/><label>ISBN: </label>9788189757458 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>Environmental science