The key to the computer :  Training manual / 
Edited by Marti. Wolters. 
 - Great britain  Medical and technical publishing co,  1972. 
 - 98 p. :  ill. ;  20 cm. 
<br/><br/><label>ISBN: </label>852000189 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer.
<br/><br/><label>Dewey Class. No.: </label>001.64  / KEY 1972