New directions for elementary school mathematics : 1989 yearbook /

Bibliographic Details
Corporate Author:	National Council of Teachers of Mathematics
Other Authors:	Shulte, Albert P., Trafton, Paul R.
Format:	Book
Language:	English
Published:	Reston, Va. : National Council of Teachers of Mathematics, 1989.
Series:	Yearbook (National Council of Teachers of Mathematics) ; 1989.
Subjects:	Mathematics > Study and teaching (Elementary)