Kunieda, Yoshiaki, Shojiro Niwa, Sann Dee, Hideyuki Kashima, and Koji Murai. “The Effect of Hybrid Training Combined With On Demand Classes”. Advances in Social Sciences Research Journal 8, no. 9 (October 1, 2021): 330–338. Accessed April 25, 2024. https://journals.scholarpublishing.org/index.php/ASSRJ/article/view/10912.