Teaching and learning at a distance :  foundations of distance education / 
Michael Simonson ... [and others]. 
 - 3rd ed 
 - xxi, 360 pages :  illustrations ;  24 cm. 
<br/><br/><label>ISBN: </label>9780131196308 0131196308 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Distance education.
<br/><br/><label>LC Class. No.: </label>LC5800   / .T42 2006