Dumas, J. S. <br/><br/>
A practical guide to usability testing / 
Joseph S. Dumas 
 - England:   Intellect Books,  1999 
 - xxii, 404 p.:  ill.;   23 cm. 
<br/><br/> Includes bibliographical references and index.  book 
<br/><br/><label>ISBN: </label>9781841500201 
<br/><br/><label>Source: </label> Purchase 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human-computer interaction
<br/><br/><label>LC Class. No.: </label>QA76.9  / .H85D86 1999