@book{140699,
	author = {Gryna, Frank M. and Chua, Richard Chim Hai.},
	title = {Juran's quality planning and analysis :},
	publisher = {McGraw-Hill,},
	year = {c2007.},
	series = {McGraw-Hill series in industrial engineering and management science},
	address = {Boston :},
	edition = {5th ed.}
}