GUPTAS , R <br/><br/>
JOINT CSIR - UGC NET : PHYSICAL SCIENCE. 

 -  2012 
 - NEW DELHI  RAMESH PUB HOUSE. 
 - 831 
<br/><br/><label>Subjects--Topical Terms: </label><br/>  HIGHER STUDIES
<br/><br/><label>Dewey Class. No.: </label>620.112 23.112 23  / GUP