TY  - BOOK
AU  - Kusumal Rajatanun
TI  - Communicative business English [7th]
SN  - 9745717835
AV  - PE1115 K87C 2005 
PY  - 2005///
CY  - Bangkok : 
PB  - Thammasat University Press, 
KW  - English language -- Business English
ER  -