OrganizaciĆ³n Nacional de Ciegos (ONCE) is the Spanish National Organization of the Blind. This Organization is responsible for a large volume of braille production, and many other activities related to blindness.
OrganizaciĆ³n Nacional de Ciegos (ONCE) is the Spanish National Organization of the Blind. This Organization is responsible for a large volume of braille production, and many other activities related to blindness.