@book{30791,
	author = {Tuangporn Somsamai and ตวงพร สมสมัย},
	title = {Business Communication in English 1 /},
	publisher = {Rajabhat Institute Suan Dusit Book Center,},
	year = {2003},
	address = {Bangkok :},
	edition = {2nd ed.},
	note = {CD-ROM (ศูนย์หัวหิน / ศูนย์พงษ์สวัสดิ์ / ศูนย์ตรัง)}
}