@book{83304,
	author = {Carvajal Castañeda, Dufay,},
	title = {Defensa técnica del contribuyente del impuesto nacional en Colombia :},
	publisher = {Universidad Externado de Colombia,},
	year = {[2015]},
	address = {Bogotá :},
	edition = {Primera edición.},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/68656/}
}