@book{56579,
	author = {Santos, Altagracia and Núñez, Ruddy,},
	title = {Matemática 6:},
	publisher = {Santillana,},
	year = {2019},
	series = {Proyecto Saber Hacer.},
	address = {Santo Domingo :},
	note = {Segundo Ciclo de Secundaria.}
}