Kuniavsky, Mike <br/><br/>
Observing the user experience :  a practitioner’s guide to user research / 
Mike Kuniavsky, Elizabeth Goodman, Andrea Moed 
 - 2nd ed. 
 - Amsterdam, The Netherlands :  Morgan Kaufmann,  c2012 
 - xiii, 585 p. ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780123848697 
<br/><br/><label>Subjects--Topical Terms: </label><br/>User-centered system design<br/>Observation (Scientific method)