Condon, Robert J., <br/><br/>
Data processing systems analysis and design / 

 - 3rd ed. 
 - Reston  Reston Pub. Co.,  1982. 
 - xiii, 383 p. :  ill. ;  24 cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>0835912493  0835912507  
<br/><br/><label>LC Class. No.: </label>HF5548.2  / .C75 1982