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Kouki DOI
National Institute of Special Needs Education
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Masaru KAWANO
National Institute of Special Needs Education
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Takahiro NISHIMURA
Graduate School of Human Sciences, Waseda University
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Hiroshi FUJIMOTO
Faculty of Human Sciences, Waseda University
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Mayumi SAWADA
National Institute of Special Needs Education
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Yoshihiro TANAKA
National Institute of Special Needs Education
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Susumu OOUCH
National Institute of Special Needs Education
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Takeshi KANEKO
National Institute of Special Needs Education
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Katsuhiro KANAMORI
National Institute of Special Needs Education