Majid, Asyril, and Rahman Abd. “Exploring the Use of Duolingo for Pronunciation and Speaking Development Among EFL Learners in Multilingual Classrooms in Papua”. FOSTER: Journal of English Language Teaching 7, no. 4 (October 30, 2026): 1270–1284. Accessed November 4, 2026. https://foster.pbi-iainpalopo.ac.id/index.php/contents/article/view/474.