TY - BOOK AU - Watcharaporn Nimnual TI - Business correspondence SN - 9749489624 AV - HF 5351 W37B 2006 PY - 2006/// CY - Bangkok PB - Triple Education KW - COMMERCIAL CORRESPONDENCE KW - BUSINESS WRITING N1 - Writing a business message; Writing a business letter; Making an enquiry; Replying to an enquiry ER -