@book{17126,
	author = {Ramírez Valbuena, José Antonio and Ríos Ladino, Karen Julieth and   },
	title = {ECOSILLAS JK2 /},
	publisher = {Corporación Unificada Nacional de Educación Superior,},
	year = {2019.},
	address = {Bogotá (Colombia) :},
	edition = {                   },
	url = {https://drive.google.com/open?id=18eqROzJJqPm_aFAKuWzUTjCQUAu_P9x3}
}