@article{Cui2020, author = "Dixuan Cui", title = "{The Effects of 3D Characters’ Facial Expressions on Student Motivation to Learn Japanese in a game-based environment}", year = "2020", month = "5", url = "https://hammer.purdue.edu/articles/thesis/The_Effects_of_3D_Characters_Facial_Expressions_on_Student_Motivation_to_Learn_Japanese_in_a_game-based_environment/12218087", doi = "10.25394/PGS.12218087.v1" }