Ninnat  Olanvoravuth. <br/><br/>
Business English Communication 

 - 9th ed. 
 - Bangkok  Thammasat University press  1999 
 - 203 p. 
<br/><br/><label>ISBN: </label>9745716839 
<br/><br/><label>Subjects--Topical Terms: </label><br/>”ENGLISH LANGUAGE - BUSINESS ENGLISH”
<br/><br/><label>LC Class. No.: </label>PE1115  / N521B 1999