@book{2562,
	author = {Pyhrr, Peter A. and Corral Camu, Leonor},
	title = {Presupuesto base cero},
	publisher = {Limusa},
	year = {1980},
	address = {México :},
	url = {https://biblioeco.unsa.edu.ar/pmb/images/libros/L125735.jpg}
}