@book{56077,
	author = {Castro Catrain, Margarita and García Escobar, Obdulia,},
	title = {Sociedad 5 :},
	publisher = {Santillana,},
	year = {2000.},
	series = {Umbral},
	address = {Santo Domingo :},
	note = {Educación básica. }
}