Kuniavsky, Mike. <br/><br/>
Observing the user experience :  a practitioner's guide to user research / 
Mike Kuniavsky, Elizabeth Goodman, Andrea Moed. 
 - 2nd ed. 
 - Amsterdam ;  Boston :  Morgan Kaufmann,  c2012. 
 - xiii, 585 p. ;  24 cm. 
<br/><br/> Includes bibliographical references (p. 571-576) and index. 
<br/><br/><label>ISBN: </label>9780123848697 (pbk.) :  $59.94 
<br/><br/><label>Subjects--Topical Terms: </label><br/>User-centered system design.<br/>Observation (Scientific method)
<br/><br/><label>LC Class. No.: </label>TA166  / .K86 2012 
<br/><br/><label>Dewey Class. No.: </label>004.2/1