Davis, William S.  1943- <br/><br/>
Business data processing / 
William S. Davis. 
 - Reading, Mass. :  Addison-Wesley,  [c1978]. 
 - xxii, 442 p. :  ill. 
<br/><br/><label>ISBN: </label>0201011166 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business--Data processing.