AIOU <br/><br/>
Education research and statistics  course code no. 507 M.A. EPM  BOOK 
Allama Iqbal Open Univeristy 
 - Islamabad  AIOU  1990 
 -  viii,183p 
<br/><br/><br/>eng 
<br/><br/><label>Dewey Class. No.: </label>379.15  / ALE