An Empirical Study of Classroom Enjoyment and Negative Emotions: A Model of the Use of Authentic Materials in the Japanese EFL Context 論文 KITAOKA Kazuhiro ·2021 ·『映像メディア英語教育研究:ATEMジャーナル』 26(0) pp. 87-100 doi:10.24499/atemnew.26.0_87