@book{830025,
	author = {Office of the Permanent Secretary},
	title = {Front office generic competencies converse in english at a basic operational level},
	publisher = {Office of the Permanent Secretary,},
	year = {2015.},
	series = {Front office generic competencies converse in english at a basic operational level},
	address = {กรุงเทพมหานคร :}
}