Teaching arithmetic to slow learners and retarded.

Teaching arithmetic to slow learners and retarded.

Bibliografiset tiedot
Päätekijä: Feigold, Abraham
Aineistotyyppi: Kirja
Kieli:English
Julkaistu: New York Day c1965.
Aiheet:
Arithmetic > Study and teaching (Elementary).
Mentally handicapped children > Education.