@book{111527,
	title = {Taller Introduccion Teorías de Comercio},
	publisher = {Legis Editores S.A.},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.legiscomex.com/sites/default/files/2021-03/Taller%20de%20Introducci%C3%B3n%20de%20Teor%C3%ADa%20de%20Comercio%20Internacional%20-%20Sin%20respuesta.pdf}
}