Electronic media  Code No.962  BOOK 
Allama Iqbal Open University 
 - Islamabad  Allama Iqbal Open University  1997 
 -  212p. 
<br/><br/> x 
<br/><br/><br/>eng 
<br/><br/><label>ISBN: </label>9694920299 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Title
<br/><br/><label>Dewey Class. No.: </label>302.234  / ALE