Williams, Marcia L. <br/><br/>
Distance learning :  the essential guide / 
Marcia L. Williams, Kenneth Paprock, Barbara Covington. 
 - Thousand Oaks, Calif. :  Sage,  c1999. 
 - 166 p. ;  23 cm. 
<br/><br/>Includes bibliographical references (p. 157-159) and index. 
<br/><br/><label>ISBN: </label>0761914412 0761914420 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Distance education--United States.<br/>Telecommunication in education.
<br/><br/><label>LC Class. No.: </label>LC5805  / .W55 1999