Nantana Sittirak Business communication in English volume I / Nantana Sittirak - 2sd ed - Bangkok : Thammasat University, 2010 - 84 p. ISBN: 9786165380836 / 70.00 Subjects--Topical Terms: English language--Business EnglishCommercial correspondence LC Class. No.: PE1115 / N1921 B8 2011