@book{829987,
	author = {Office of the permanent secretary ministry of tourism and sports},
	title = {Food & beverage service generic competencies receive and resolve customer complaints},
	publisher = {Office of the permanent secretary ministry of tourism and sports,},
	year = {2015.},
	series = {Food & beverage service generic competencies receive and resolve customer complaints},
	address = {กรุงเทพมหานคร :}
}