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Sususmu Watanabe
Junior High School attached to Faculty of Education, Gifu University
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Naomasa Niwa
Elementary School attached to Faculty of Education, Gifu University
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Shigeru Sakai
Elementary School attached to Faculty of Education, Gifu University
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Yasunobu Ueda
Faculty of Education, Gifu University
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Shin-ichi Kawakami
Faculty of Education, Gifu University