Tong, Duong Huu, Bui Phuong Uyen, and Kim Ngan Lu. “Blended Learning in Mathematics Teacher Education: A Systematic Review”. International Journal of Emerging Technologies in Learning (iJET) 18, no. 17 (September 14, 2023): pp. 196–222. Accessed May 20, 2024. https://online-journals.org/index.php/i-jet/article/view/36985.