Study guide for computers and applications :  an introduction to data processing / 
Fred L. Head... [et al.]. 
 - Lexington, Mass. :  D.C. Heath,  1986. 
 - xii, 387 p. ;  27 cm. 
<br/><br/><label>ISBN: </label>0669086762 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic data processing.