REZA ARTHA MEVIA; AHMAD THOYYIB SHOFI; LAILATUL MASRUROH. THE EFFECT OF USING DUOLINGO APPLICATION AS TEACHING MEDIA TO IMPROVE VOCABULARY MASTERY OF ELEVENTH GRADERS. J-Shelves of Indragiri (JSI), [S. l.], v. 6, n. 2, p. 19–33, 2024. DOI: 10.61672/jsi.v6i2.2784. Disponível em: https://ejournal-fkip.unisi.ac.id/shelves/article/view/2784. Acesso em: 27 dec. 2024.