Payne, Eleanor A. <br/><br/>
Easily applied principles of keypunching 

 - Englewood Cliffs  Prentice-Hall  1970 
 - vii,208p.  31cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Punched card systems
<br/><br/><label>LC Class. No.: </label>QTO HF5548.P34