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Hideya MATSUKAWA, Makiko OYAMA, Chiharu NEGISHI, Yoshiko ARAI, Chiaki IWASAKI, Hiroshi HOTTA. "トピックモデルを用いた授業評価アンケートの自由記述の分析." Nihon Kyoiku Kogakkai ronbunshi 41.3 (2018) 233-244