@book{9681,
	author = {Munguía Ulloa ,  Lipcia  and Protti Quesada ,  María Auxiliadora (Autora) },
	title = {Investigación de operaciones.},
	publisher = {EUNED,},
	year = {2013},
	address = {San José :},
	edition = {3. reimp. de la 1 ed. }
}