Lester, Graham C <br/><br/>
Data processing, vol.2  systems analysis and design 

 - 2nd ed 
 - Pitman publishing, London  1985 
 - 267 
<br/><br/><label>ISBN: </label>0-273-02771-9 
<br/><br/><label>Dewey Class. No.: </label>001.6 Les