@book{35849,
	author = {Sánchez Cantor, Gladys},
	title = {Como orientar al alumno limitado visual en la clase de matemáticas /},
	publisher = {INCI,},
	year = {2009},
	series = {Colección Arco Iris},
	address = {Bogotá :},
	edition = {6 ed.}
}