Mitchell, Ruth K. <br/><br/>
Information science and computer basics :  an introduction / 
by Ruth K. Mitchell. Programmed by Richard W. Hostrop. 
 - London :  Clive Bingley,  1971. 
 - 101 p. ;  26 cm. 
<br/><br/><label>ISBN: </label>0851574815 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic data processing--Programmed instruction.<br/>Information storage and retrieval systems--Programmed instruction.