Hackos, JoAnn T. <br/><br/>
User and task analysis for interface design / 
JoAnn T. Hackos and Janice C. Redish. 
 - New York ,  Chichester :  Wiley,  c1998. 
 - xix,488p. :  ill.;  25 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0471178314  p1s39.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>User interfaces<br/>Systems design<br/>Human-computer interaction
<br/><br/><label>Dewey Class. No.: </label>004.21 HAC