@book{31741,
	author = {Eppen, Gary D., and Gould, F. J.},
	title = {Quantitative concepts for management :},
	publisher = {Prentice Hall,},
	year = {c1988.},
	address = {Englewood Cliffs, NJ :},
	edition = {3rd ed.},
	note = {Includes index.}
}