@book{5040,
	author = {Varas Castellón, Juan Ignacio},
	title = {Economía del medio ambiente en América Latina},
	publisher = {Alfaomega Grupo Editor},
	year = {1999},
	address = {México :},
	url = {https://www.biblioeco.unsa.edu.ar/pmb/images/libros/L128363.jpg}
}