Limbeng, Zahwa Nazhifah, and Deasy Yunita Siregar. “Teacher’s Perception of Duolingo for Vocabulary Learning in Inclusive EFL Classroom: A Qualitative Case Study”. FOSTER: Journal of English Language Teaching 7, no. 3 (July 30, 2026): 355-372. Accessed July 30, 2026. https://foster.pbi-iainpalopo.ac.id/index.php/contents/article/view/515.