@book{46752,
	author = {Méndez Matos, Sonnia and Escaño González, Marta},
	title = {Matemática 1-2-3-4-5-6 :},
	publisher = {Susaeta,},
	year = {2015.},
	address = {Santo Domingo :},
	note = {Enfoque por competencias nuevo currículo.}
}