Haden, Douglas H. <br/><br/>
Total business systems  computers in business 
Douglas H. Haden. 
 - St. Paul  West Pub. Co.  c1978. 
 - xvi, 463 p.  ill. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 409-419. 
<br/><br/><label>ISBN: </label> 13.95 
<br/><br/><label>LCCN: </label>78005907  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business--Data processing.