"Gregory, Robert H." <br/><br/>
"Automatic Data -Processing Systems : principles and procedures." 

 -  "Wadsworth"  "1963" 
 -  "xi; 816p.: 23cm" 
<br/><br/>"N" 
<br/><br/><label>Subjects--Index Terms: </label>"Y" 
<br/><br/><label>LC Class. No.: </label>HF5548  / .G74