Teaching arithmetic to slow learners and retarded.

Teaching arithmetic to slow learners and retarded.

Xehetasun bibliografikoak
Egile nagusia: Feigold, Abraham
Formatua: Liburua
Hizkuntza:English
Argitaratua: New York Day c1965.
Gaiak:
Arithmetic > Study and teaching (Elementary).
Mentally handicapped children > Education.