TY  - GEN
AU  - Sumtum Parisuthiman
TI  - Communicative letter writing for all purposes
SN  - 9745717924
U1  - 428.2 
PY  - 2001///
CY  - Bangkok
PB  - Thammasat University Press
KW  - Letter writing
KW  - English language
KW  - Writing
ER  -