Beyer, Hugh  <br/><br/>
Contextual design : defining customer-centered systems 

 - SBHJ 
 - San Diego  Academic press  2010 
 - xxiii, 469 p. ; 23 cm 
 - HFJA .
<br/><br/><label>ISBN: </label>9781558604117 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology
<br/><br/><label>Dewey Class. No.: </label>004.21  / HUG