Xiong, S. Y. ., E. F. M. . Gasim, C. . Xin Ying, K. K. . Wah, and L. M. . Ha. “A Proposed Hybrid CNN-RNN Architecture for Student Performance Prediction”. International Journal of Intelligent Systems and Applications in Engineering, vol. 10, no. 3, Oct. 2022, pp. 347–355, https://ijisae.org/index.php/IJISAE/article/view/2175.