Ouyang , Zhiqun, Yujun Jiang, and Huying Liu. 2024. “The Effects of Duolingo, an AI-Integrated Technology, on EFL Learners’ Willingness to Communicate and Engagement in Online Classes”. The International Review of Research in Open and Distributed Learning 25 (3):97-115. https://doi.org/10.19173/irrodl.v25i3.7677.