@book{564465,
	author = {Taha, Hamdy A.},
	title = {Operations research :},
	publisher = {Prentice Hall,},
	year = {2006},
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/0131889230/chopaconline-20}
}