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Changwan HAN
[Japan]
Graduate School of Economics, Shimonoseki City University [Japan]
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Mamiko OTA
[Japan]
Graduate School of Economics, Shimonoseki City University [Japan]
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Eonji KIM
Special Needs Room, Miyagigakuin Women's University [Japan]
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Haejin KWON
Faculty of Education, University of the Ryukyus [Japan]