@book{18981,
	author = {Lizcano González, Jesica Lorena  and Vega Jimenez, Orlando Manuel },
	title = {Comunicaciones Sur Colombiana S.A.S. / },
	publisher = {Corporación Unificada Nacional de Eduación Superior - CUN,},
	year = {2020.},
	address = {Bogotá (Colombia) :},
	url = {https://drive.google.com/file/d/1IxHedvfLRqsMouP4N3j45qrhE0o146ut/view?usp=sharing}
}