Nur Farah, Safira, Suriaman Aminah, Agussatriana Agussatriana, and Mukrim Mukrim. “Improving High School Students’ English Listening Skills Using Duolingo: Evidence From SMK Muhammadiyah 1 Palu”. ELS Journal on Interdisciplinary Studies in Humanities 8, no. 3 (September 19, 2025): 957–963. Accessed February 27, 2026. https://journal.unhas.ac.id/index.php/jish/article/view/45071.