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Are you Takashi Kojima, author of the books below?
The Japanese Abacus by Takashi Kojima Advanced Abacus by Takashi Kojima Advanced Abacus by Takashi Kojima Beautiful Japanese “Shonan Sky” Full-color Picture Book by Takashi Kojima New Activity Book by Takashi Kojima Kansaron no yoÌ„ten seiri by Takashi Kojima The Japanese Abacus by Takashi Kojima Advanced abacus by Takashi Kojima The Japanese Abacus by Takashi Kojima uinndoupeinn utusidasaretasekai by Takashi Kojima


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