Implementation of Duolingo Application in Enhancing Vocabulary Skills of Fourth-Grade Elementary Students at SDN Ngadirejo 5. ELTT, [S. l.], v. 10, n. 1, p. 57–60, 2024. Disponível em: https://proceeding.unpkediri.ac.id/index.php/eltt/article/view/6820. Acesso em: 11 jan. 2026.