@book{23936,
	author = {Flores Lancheros, Jaime Didier  and  Martínez Varga, Henry},
	title = {Eco paper /},
	publisher = {Corporación Unificada Nacional de Educación Superior,},
	year = {2017.},
	address = {Bogotá (Colombia) :},
	url = {https://drive.google.com/file/d/1yyQ1fCakavFZ4-djwT1B7MzZJkq1RFWg/view?usp=sharing}
}