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Trigonometry
A Practical Introduction
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.
ISBN-13:
9780945803751
Veröffentl:
2018
Erscheinungsdatum:
27.08.2018
Seiten:
98
Autor:
Harry Kretz
Gewicht:
318 g
Format:
274x218x10 mm
Sprache:
Englisch
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