@book{112144,
	title = {Arancel de Aduanas (Sistema Armonizado)},
	publisher = {Legis Editores S.A.},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.legiscomex.com/informacion-universidades-abc-del-comercio-internacional/arancel-de-aduanas-materia-final}
}