Handbook of distance education 
edited by Michael Grahame Moore and William C. Diehl 
 - New York:  Routledge,  2019. 
 - xxv, 579p. 
<br/><br/><label>ISBN: </label>9781138239005 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Distance education-Handbook manuals, etc.
<br/><br/><label>Dewey Class. No.: </label>371.35  / HAN