Kapoor N.D.and Pagare dinker <br/><br/>
Vayaparik saniyam va audyogic kanoon 

 - new delhi  sultan chand and sons  2009 
 - 1.450p 
<br/><br/><label>ISBN: </label>978-81-8054-562-7 
<br/><br/><label>Dewey Class. No.: </label>343.09H    kap.P9