Simonson, Michael <br/><br/>
Teaching and Learning at a Distance :    /  
Simonson, Michael 
 - 1a ed. 
 - Washington DC ;   Prentice-Hall ,   200 
 - 239 p.  ;   22x30cm :    
<br/><br/><label>ISBN: </label>137692587 
<br/><br/><label>Subjects--Index Terms: </label>Definitions,History, and Theories of Distance Education Foundations of Distance Education Research and Distance Education 
<br/><br/><label>Universal Decimal Class. No.: </label>8