@book{250193,
	author = {Heizer, Jay. and Render, Barry.},
	title = {Operations management /},
	publisher = {Prentice Hall,},
	year = {c2001.},
	address = {Upper Saddle River, N.J. :},
	edition = {6th ed.},
	note = {Original edition published under the title: Production and operations management.}
}