Holmberg, Borje <br/><br/>
Distance education : a survey and bibliography 

 - New York  Kogan page  1977 
 - 167p. 
<br/><br/><label>ISBN: </label>0893970174 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Distance education<br/>Education
<br/><br/><label>Dewey Class. No.: </label>374.4  / HOL