Barnum, Carol M. <br/><br/>
Usability testing essentials :  ready, set-- test / 
Carol Barnum 
 - Burlington, MA. :  Morgan Kaufmann Pub.,  2011 
 - xxii, 382 p. :  col. ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780123750921 
<br/><br/><label>Subjects--Topical Terms: </label><br/>User interfaces (Computer systems)--Testing<br/>Web-based user interfaces--Testing<br/>Human--Computer interaction