@book{18206,
	author = {Cadavid Gómez, Ignacio. and Arenas Gallego, Eraclio.},
	title = {Cartilla del trabajo 2018 / },
	publisher = {Universidad de Medellín, },
	year = {2018},
	address = {Medellín : },
	edition = {13ed.},
	note = {Incluye índice.}
}