Williams, Marcia L. <br/><br/>
Distance learning :  the essential guide / 
Marcia L. Williams, Kenneth Paprock [and] Barbara Covington 
 - Thousand Oaks :  SAGE,  c1999 
 - 166 p. ;  23 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0761914412 :  USD 70.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Distance education--United States<br/>Telecommunication--education
<br/><br/><label>Dewey Class. No.: </label>371.35