Selviana H, Selviana H, Afrillia Anggreni, and Jamiluddin Jamiluddin. “Duolingo Application: Enriching Vocabulary Mastery Of EFL Students”. ELS Journal on Interdisciplinary Studies in Humanities 8, no. 3 (September 9, 2025): 864–869. Accessed March 20, 2026. https://journal.unhas.ac.id/index.php/jish/article/view/45353.