@book{88739,
	author = {Rojas Álvarez, Carlos Javier,},
	title = {Introducción a la proporción y a los vectores /},
	publisher = {Universidad del Norte Editorial,},
	year = {2021.},
	series = {Textos guía UN},
	address = {Área metropolitana de Barranquilla, Colombia :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/101329/}
}