Chen, X., Xie, H., Peng, X., Tao, X., Li, L., Qin, J., & Wang, F. L. (2026). Artificial Intelligence in Online Learning: Using BERTopic to Track Research Topics and Their Evolutions. The International Review of Research in Open and Distributed Learning, 27(3), 67–94. https://doi.org/10.19173/irrodl.v27i3.9516