J. Li, L. Feng, and J. Wang, “Study on the Student Concentration in Class Based on Deep Multitasking Learning Framework”, IJLAI Trans. Sci. Eng., vol. 2, no. 3, pp. 47–57, Sep. 2024, Accessed: Sep. 15, 2025. [Online]. Available: https://sub.ifspress.hk/IJLAI/article/view/124