@book{5810,
	author = {Gallego Badillo, Rómulo and Pérez Miranda, Royman},
	title = {La enseñanza de las ciencias experimentales :},
	publisher = {Magisterio,},
	year = {2006.},
	series = {Mesa Redonda},
	address = {Bogotá :},
	edition = {1a ed.}
}