@book{83425,
	author = {Salamanca, Roberth, and Valencia, Marisol,},
	title = {El trabajo social y la perspectiva histórico-crítica /},
	publisher = {Universidad Externado de Colombia,},
	year = {[2017]},
	address = {Bogotá :},
	edition = {Primera edición.},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/68783/}
}