Barker, Philip. <br/><br/>
Electronic Performance Support :  Using digital technology to enhance human ability  / 
Philip Barker, Paul van Schaik. 
 - Britian :  Gower Publishing Limited 
 - xviii, 302p. :  ill.  ; 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780566088841 
<br/><br/><label>Subjects--Topical Terms: </label>