Trigonometry

STEINER BOOKS INCISBN: 9780945803751

A Practical Introduction

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Sale price$29.99
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By Harry Kretz
Imprint: RUDOLF STEINER COLLEGE PRESS
Release Date:
Format:
SPIRAL BOUND
Pages:
98

Description

Harry Kretz taught high school math for many years at Hawthorn Valley Waldorf School in Upstate New York. Since retiring from full-time work, he has worked more than full time traveling and teaching courses in various Waldorf schools and teacher training centers.

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