Kumar,Sajit <br/><br/>
UGC-CSIR-NET for JRF/LECTURESHIP-common for science subjects 

 - New Delhi  Danika 
 - xiii,iv,488,15p.  PB  22cm. 
<br/><br/><label>ISBN: </label>8189301209 
<br/><br/><label>Dewey Class. No.: </label>153.94  / KUM