@book{32295,
	author = {Furth, Hans G. and Wachs, Harry},
	title = {La teoría de Piaget en la práctica.},
	publisher = {Kapelusz,},
	year = {1978.},
	series = {Biblioteca de cultura pedagógica ;},
	address = {Buenos Aires :},
	edition = {1a ed.}
}