Courage, Catherine. <br/><br/>
Understanding your users :  a practical guide to user requirements : methods, tools, and techniques / 
Catherine Courage and Kathy Baxter. 
 - San Francisco, Calif. ;  London :  Morgan Kaufmann,  2005. 
 - xxviii, 781 p. :  ill. (chiefly col.), plans ;  24 cm. 
 - The Morgan Kaufmann series in interactive technologies .
<br/><br/>Includes bibliographical references (p. 751-757) and index. 
<br/><br/><label>ISBN: </label>1558609350 (pbk.) :  £35.99 
<br/><br/><label>Subjects--Topical Terms: </label><br/>User interfaces (Computer systems)--Research.<br/>User interfaces (Computer systems)--Evaluation.<br/>Consumers' preferences--Research.
<br/><br/><label>Dewey Class. No.: </label>004'.019'0688