"Hassan Tahir" <br/><br/>
PHYSICS 9 

 - Lahore  Oxford Universty Press,CARVAN BOOK HOUSE, LAHORE  2007 
 - 221 
<br/><br/><label>ISBN: </label>0000000000000 
<br/><br/><label>Dewey Class. No.: </label>530  / T-324