Teaching and learning at a distance :  foundations of distance education / 
Michael Simonson ... [et al.]. 
 - 2nd ed. 
 - Upper Saddle River, N.J. :  Merrill/Prentice Hall,  c2003. 
 - xvii, 302 p. :  ill. ;  24 cm. 
<br/><br/> Including Index 
<br/><br/><label>ISBN: </label>013094629X 9780130946294 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Distance education.
<br/><br/><label>LC Class. No.: </label>LC5800  / .T43 2003 
<br/><br/><label>Dewey Class. No.: </label>371.3/5