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*Hitoshi Tanaka
Faculty of Education, Kumamoto University
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Tsutomu takahashi
Yachiyo Engineering Co.,Ltd.
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Akio Uchida
Higashi Chikushi school
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Yoshihiro Miyake
Univ. Tsukuba
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Shunsuke Shimada
Kumamoto University
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Masanori Akahoshi
Faculty of Education, Kumamoto University Kumamoto University
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Yoshihiro Fukumoto
Faculty of Education, Kumamoto University