@book{12171,
	author = {Luciano, Margarita},
	title = {Matemática :},
	editor = {Alfa & Omega},
	publisher = {Secretaría de Estado de Educación,},
	year = {2008},
	series = {Escuela multigrado innovada},
	address = {Santo Domingo :},
	note = {educación básica.}
}