[Letter: An audio-visual and an auditive self-monitoring education apparatus for handicapped children and youngsters].
D001296:Audiovisual Aids; D002648:Child; D006233:Persons with Disabilities; D004495:Education of Persons with Intellectual Disabilities; D004519:Education, Special; D006801:Humans
Et audiovisuelt og et auditivt selvbetjent undervisningsapparat til handicappede børn og unge.