Elfenbein, Julien,  1897- <br/><br/>
Business letters and communications / 
by Julien Elfenbein. 
 - New York   Alexander Hamilton Institute   1973. 
 - xiv, 327 p.   22 cm. 
 - Modern business. .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Correspondencia comercial.
<br/><br/><label>LC Class. No.: </label>HF5726  / .E43 1973