@book{83928,
	author = {Puyana Silva, Alfredo,},
	title = {El sistema general de riesgos laborales en Colombia /},
	publisher = {Universidad Externado de Colombia,},
	year = {[2013]},
	address = {Bogotá :},
	edition = {Segunda edición.},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/70330/}
}