The Sage handbook of e-learning research  / 
Richard Andrews and Caroline Haythornthwaite 
 - London :  SAGE ,  2007 
 - xix, 539p. ;  25 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781412919388 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer-assisted instruction<br/>Internet in education