Improving mathematics programs trends and issues in the elementary school.

Improving mathematics programs trends and issues in the elementary school.

Sonraí bibleagrafaíochta
Príomhchruthaitheoir: Devault, M. Verde e d.
Formáid: LEABHAR
Teanga:English
Foilsithe / Cruthaithe: Columbus, Ohio Merrill c1961.
Ábhair:
Arithmetic > Study and teaching (Elementary).
Mathematics > Study and teaching (Elementary).