Mathematics
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Geometry Lessons in the Waldorf School
Volume 2: Freehand Form Drawing and Basic Geometric Construction in Grades 4 and 5
Ernst Schuberth
Paperback
Published:
2004
What Is Mathematics?
An Elementary Approach to Ideas and Methods
Richard 1888-1972 Courant, the late Richard 1888-1972 Courant
Paperback
Published:
1996