LESTARI, V. A. .; MUTAWALLY , A. N. .; PURBA , A. B. .; YASMIN , W. .; HILMAN , A. .; WAHYUDI , W. .; LUDOVIKUS , L. . A Comparative Study Of Student Perceptions On Vocabulary Learning Using Duolingo And Elsa. Journal of Innovative and Creativity, [S. l.], v. 5, n. 2, p. 15055–15064, 2025. DOI: 10.31004/joecy.v5i2.595. Disponível em: https://joecy.org/index.php/joecy/article/view/595. Acesso em: 18 oct. 2026.