Porter, W.Thomas <br/><br/>
EDP  Controls and auditing / 
W.Thomas Porter William E.Perry 
 - Boston  Mass.  Kent Pub.  1984 
 - 571p.  ill.  26 cm. 
<br/><br/><label>ISBN: </label>0534030629 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic data processing departments--auditing