Teaching and learning at a distance :  foundations of distance education / 
Michael Simonson ... [et al.]. 
 - 3rd ed. 
 - Upper Saddle River, N.J. :  Pearson/Merrill Prentice Hall,  c2006. 
 - xxi, 362 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0131196308 9780131196308 
<br/><br/><label>LCCN: </label>2005041521 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Distance education.<br/>Afstandsonderwijs.<br/>Internet.<br/>Enseignement áa distance.
<br/><br/><label>LC Class. No.: </label>LC5800  / .T43 2006 T253 2006 
<br/><br/><label>Dewey Class. No.: </label>371.35