Clifton, H.D. <br/><br/>
Business data systems: A practical guide to systems analysis and data processing 

 - 2nd ed. 
 - LoNew Delhion  Prentice-Hall  1983 
 - xii,387p.  22 cm. 
<br/><br/><label>ISBN: </label>013094078X 
<br/><br/><label>Dewey Class. No.: </label>658.054,  / D, Cli