A Guide to usability :  human factors in computing / 
edited by Jenny Preece ; [written by] David Benyon...[et al.]. 
 - Wokingham, England ;  Reading, Mass. :  Addison-Wesley,  c1993. 
 - 144 p. :  ill. 
<br/><br/> Based on a course produced by the Open University. 
<br/><br/><label>ISBN: </label>020162768X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human-computer interaction.