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World Scientific Pub Co Inc
> Ning Hong Yeo
Ning Hong Yeo
title
ISBN-13
(ISBN-10)
year of publication
Trig Or Treat: An Encyclopedia of Trigonometric Identity Proofs With Intellectually Challenging Games
978-981-277-618-1
(981-277-618-4)
2007
Adrian Ning Hong Yeo
·
N. H.
·
N.Y.)
Ning Hsing Chen