@book{5270,
	author = {Orobio Ocoro, Héctor},
	title = {Educación matemática y desarrollo del sujeto :},
	publisher = {Magisterio,},
	year = {2002.},
	series = {Mesa Redonda},
	address = {Bogotá :},
	edition = {1ra ed., 3a reimpr.}
}