@book{23861,
	author = {Aguirre Pulido, Ivonne Lizeth and Salcedo, María Gladys},
	title = {Sistema uno:},
	publisher = {Corporación Unificada Nacional de Educación Superior,},
	year = {2011.},
	address = {Bogotá (Colombia) :},
	url = {https://docs.google.com/document/d/1uf4mNJkXhwDoCQYL6x5xcNMVsjvGLtVI/edit?usp=sharing&ouid=117611055736194103914&rtpof=true&sd=true}
}