Books listed by ISBN
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Mathematical Olympiads
> Dr. George Lenchner
Dr. George Lenchner
title
ISBN-13
(ISBN-10)
year of publication
Creative Problem Solving in School Mathematics, Revised and Expanded 2nd Edition
978-1-882144-1O-5
(1-882144-1O-4)
2005
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D. George
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George L.
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George Lenchner
Dr George Lewis