Kusumal Rajatanun <br/><br/>
Communicative business English / 
Kusumal Rajatanun 
 - 7th ed. 
 - Bangkok :  Thammasat Univ. Press,  2001 
 - 183 p. 
<br/><br/>Bibliography 
<br/><br/><label>ISBN: </label>9745717835 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ENGLISH LANGUAGE--BUSINESS ENGLISH<br/>BUSINESS LETTERS
<br/><br/><label>LC Class. No.: </label>PE1115  / K878C 2001