Gupta, R <br/><br/>
Joint CSIR-UGC NET chemical sciences part-a,b & c/ 

 - New Delhi:  Ramesh,  2016. 
 - 276 p. 
<br/><br/><label>ISBN: </label>9789350125885 
<br/><br/><label>Dewey Class. No.: </label>540  / GUP/J