@book{24283,
	author = {Riaño Pérez, Luis Fernando and Rodríguez Ovalle, Diego Guiovanny},
	title = {Empresa de servicios técnicos /},
	publisher = {Corporación Unificada Nacional de Educación Superior,},
	year = {2017.},
	address = {Bogotá (Colombia) :},
	url = {https://drive.google.com/file/d/1zqEhKOZxS4AOay-qXIMadBXvCpKHIeLh/view?usp=sharing}
}