@book{35875,
	author = {Sánchez C., Gladys and Peña C., Gloria Janneth},
	title = {Cartilla ábaco :},
	publisher = {Editorial INCI ; Ministerio de Educación Nacional,},
	year = {2007},
	series = {Colección Arco Iris},
	address = {Bogotá :},
	edition = {1 ed.},
	note = {Braille}
}