Improving mathematics programs trends and issues in the elementary school.

Improving mathematics programs trends and issues in the elementary school.

מידע ביבליוגרפי
מחבר ראשי: Devault, M. Verde e d.
פורמט: ספר
שפה:English
יצא לאור: Columbus, Ohio Merrill c1961.
נושאים:
Arithmetic > Study and teaching (Elementary).
Mathematics > Study and teaching (Elementary).