Intelligent tutoring systems in e-learning environments :  design, implementation, and evaluation / 
Slavomir Stankov, Vlado Glavinic, Marko Rosic 
 - Hershey, PA :  Information Science Reference,  c2011 
 - xx, 423 p. :  ill. ;  29 cm. 
<br/><br/> "Premier reference source" 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781616920081 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Intelligent tutoring systems<br/>Web-based instruction--Design<br/>Education--Effect of technological innovations on