Waltz, Loren E.,  1922- <br/><br/>
Penggunaan mesin² kantor modern, 

 - Djakarta,  1965. 
 - iv, 163 l.  illus.  21 x 33 cm. 
<br/><br/><label>LCCN: </label>sa 68013883  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Office equipment and supplies
<br/><br/><label>LC Class. No.: </label>HF5548  / .W35