Gregory, Robert H. <br/><br/>
Business data processing & programming / 
Robert H. Gregory & Richard L. Van Horn. 
 - Belmont, Calif :  Wadsworth Publ.,  1963. 
 - x, 403 p. :  ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business--Data processing<br/>COBOL (Computer program language)