Windya, Windya, Intan Silalahi, Iwa Maulana, Ikrar Sarumaha, and Juliana Juliana. “The Use of Duolingo Application to Enhance Junior High School Students’ Speaking Ability”. Edumaspul: Jurnal Pendidikan 7, no. 2 (October 1, 2023): 5861-5870. Accessed May 18, 2024. https://ummaspul.e-journal.id/maspuljr/article/view/7442.