@book{82666,
	author = {Serna Rodríguez, Maribel, and Pareja Vasseur, Julián,},
	title = {Estadística descriptiva para datos categóricos /},
	publisher = {Editorial EAFIT,},
	year = {[2017]},
	address = {Medellín :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/67636/}
}