Teaching arithmetic to slow learners and retarded.

Teaching arithmetic to slow learners and retarded.

Sonraí bibleagrafaíochta
Príomhchruthaitheoir: Feigold, Abraham
Formáid: LEABHAR
Teanga:English
Foilsithe / Cruthaithe: New York Day c1965.
Ábhair:
Arithmetic > Study and teaching (Elementary).
Mentally handicapped children > Education.