Gupta, Lal Chand <br/><br/>
Environmental chemistry 

 - New  Delhi  Wave books  2018 
 - 264 p 
<br/><br/><label>ISBN: </label>9789386910325 
<br/><br/><label>Subjects--Topical Terms: </label><br/>New  Delhi
<br/><br/><label>LC Class. No.: </label>QD 31.2 .G87