Ninnat Olanvoravuth. <br/><br/>
Business English communication / 
Ninnat Olanvoravuth 
 - 9th ed 
 - Bangkok :  Thammasat University Press,  1999 
 - (10), 203 p. ;  26 cm. 
<br/><br/><label>ISBN: </label>9745716839 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Business English.
<br/><br/><label>Dewey Class. No.: </label>428  / N715B 1999