Coombs M.J. <br/><br/>
Computing Skills and the User Interface 
/by M.J.Coombs 
 - New York  Academic Press  1981 
 - iv.499p. 
<br/><br/><label>ISBN: </label>0121865207 
<br/><br/><label>Dewey Class. No.: </label>001.64  / COO/C