Data processing:  An instructional manual for business and accountancy students/  English. 
E.C. Oliver, R.J. Chapman. 
 - 5th Ed. 
 - Winchester Hants:  D.P. Publications,  1981. 
 - vii, 323p.:  ill;  21.5cm. 
<br/><br/><label>ISBN: </label>090543515X 
<br/><br/><label>Dewey Class. No.: </label>681.14  / OLI