Condon, Robert <br/><br/>
Data processing systems :  analysis and design / 
Robert J. Condon 
 - 4th ed. 
 - Reston, Va. :  Reston Publication,  1985 
 - 410 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0835912434 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business--Data processing<br/>System analysis