@book{289871,
	author = {Chica Valencia, Jairo, and Parra Lara, Hernando,},
	title = {Texto guía :},
	publisher = {Universidad Tecnológica de Pereira :},
	year = {2017.},
	series = {Colección Textos académicos},
	address = {Pereira :},
	url = {https://www.digitaliapublishing.com/a/163548/}
}