New directions for elementary school mathematics /

Manylion Llyfryddiaeth
Awduron Eraill: Trafton, Paul R.
Fformat: Llyfr
Iaith:English
Cyhoeddwyd: Reston, Va. : National Council of Teachers of Mathematics, 1989.
Cyfres:Yearbook (National Council of Teachers of Mathematics) ; 1989.
Pynciau:
Classic Catalogue: View this record in Classic Catalogue

Eitemau Tebyg