@book{23922,
	author = {González Capacho, Geraldine and Bolivar Riaño, Jenny Yamile},
	title = {Pro planeta: },
	publisher = {Corporación Unificada Nacional de Educación Superior,},
	year = {2014.},
	address = {Bogotá (Colombia) :},
	url = {https://drive.google.com/file/d/1vfNgHWxredp2KjPqMRJpgWwEiVW1TOy0/view?usp=sharing}
}