@book{83430,
	author = {Moreno Trujillo, John Freddy,},
	title = {Estadística para ciencias sociales /},
	publisher = {Universidad Externado de Colombia,},
	year = {[2017]},
	address = {Bogotá :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/68788/}
}