Instructional technologies :  cognitive aspects of online programs / 
Paul Darbyshire, ed. 
 - Hershey PA :  IRM Press,  2005 
 - xii, 274 p. :  ill. ;  26 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>1591405653 (hardcover) 1591402379 (pbk.)  RM247.46 1591405661 (ebook) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational technology<br/>Internet in education<br/>Instructional systems--Design<br/>Distance education