Investigations of e-learning patterns :  context factors, problems, and solutions / 
Christian Kohls, Joachim Wedekind, editors 
 - Hershey, PA :  Information Science Reference,  c2011 
 - xx, 321 p. :  ill. ;  29 cm. 
<br/><br/> "Premier reference source"--Cover 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781609601447 (hardcover) 9781609601461 (ebook) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer-assisted instruction--Software<br/>Instructional systems--Design<br/>Software patterns