Fasnacht, Harold D. <br/><br/>
How to use business machines 

 - New York  Gregg Division, McGraw-Hill  1969 
 - iv,140p.  28cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calculating
<br/><br/><label>LC Class. No.: </label>QTO HF5548.F28