Raj Kumar <br/><br/>
Viva-Voce in physics 

 - Meerut  Rajhans Prakashan Mandir  1968 
 - 176 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>  Physical science<br/>  Physics
<br/><br/><label>Dewey Class. No.: </label>530  / K45v 1968