Allied material of distance education (Units 6-9)  : course code 741 

 - Islamabad:  AIOU, 
 - various pages 
<br/><br/> Selected articles from various books 
<br/><br/><br/>eng 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Distance education-Study and teaching
<br/><br/><label>Dewey Class. No.: </label>378.030715  / ALA