Garrison, D. R. <br/><br/>
Understanding distance education  : a framework for the future 
Garrison, D. R. 
 - London:  Routledge,  1989 
 - 139p 
<br/><br/> Includes bibliography and index 
<br/><br/><label>ISBN: </label>0415020905 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational technology<br/>Distance education
<br/><br/><label>Dewey Class. No.: </label>378.03  / GAU