Today's mathematics a guide to concepts and methods in elementary school mathematics.

Today's mathematics a guide to concepts and methods in elementary school mathematics.

Show all versions (3)
Manylion Llyfryddiaeth
Prif Awdur: Heddens, James W. 1925-
Fformat: Llyfr
Iaith:English
Cyhoeddwyd: Chicago, IL Science Research Associates c1974.
Pynciau:
Mathematics > Study and teaching (Elementary)