AULIA, H. R.; WAHJUNINGSIH, E.; ANDAYANI, R. THE EFFECT OF DUOLINGO APPLICATION ON STUDENTS’ ENGLISH VOCABULARY MASTERY. ELTR Journal, [S. l.], v. 4, n. 2, p. 131-139, 2020. DOI: 10.37147/eltr.v4i2.71. Disponível em: https://eltr.apspbi.or.id/index.php/eltr/article/view/71. Acesso em: 13 may. 2024.