Vidayanti, Firdaus M, Mayasari S. ANALYZING THE USE OF DUOLINGO APPLICATION IN VOCABULARY MASTERY FOR JUNIOR HIGH SCHOOL STUDENTS. Algebra JPSS [Internet]. 2025 Sep. 30 [cited 2026 Apr. 19];5(3):587-92. Available from: https://ejournal.yana.or.id/index.php/algebra/article/view/1342