@book{77923,
	author = {Macías Orozco, William B.,},
	title = {Tiempos de crisis sistémica :},
	publisher = {Editorial Universidad del Cauca,},
	year = {[2018]},
	address = {Popayán, Colombia :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/60629/}
}