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Image thinking of abacus users in higher dan (ranks) by a study on brain waves

Ms. Kimiko Kawano
Researcher, Nippon Medical School, Center for Informatics and Sciences.
July 14, 2000

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What Abacus Education Ought to Be for the Development of the Right Brain

Dr. Toshio Hayashi, Doctor of Engineering
Professor, Osaka Prefecture University
Director, Research Institute for Advanced Science and Technology (RIAST) August 24, 2000

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The Ripple Effects of Abacus Learning

Ms. Shizuko Amaiwa
Professor, Shinshu University, College of Education
January 20, 2001