Kuromiya, Hiroyuki, Rwitajit Majumdar, Gou Miyabe, and Hiroaki Hiroaki. “E-Book-Based Learning Activity During COVID-19: Engagement Behaviors and Perceptions of Japanese Junior-High School Students”. Research and Practice in Technology Enhanced Learning 17 (June 1, 2022). Accessed December 13, 2024. https://rptel.apsce.net/index.php/RPTEL/article/view/2022-17012.