Sekine, Tsutomu, and Kohki Takahashi. “Development of Online System Checkable for Japanese Writing Tasks ”. Journal of e-Learning and Knowledge Society 19, no. 1 (April 27, 2023): 13-18. Accessed April 19, 2024. https://www.je-lks.org/ojs/index.php/Je-LKS_EN/article/view/1135687.