HERNI SRI WULANDARI; HALIM, Abdul. Gamified Learning: Evaluating the Impact of Duolingo on Language Retention and Academic Performance in Secondary School Students. Borneo Educational Journal (Borju), [S. l.], v. 6, n. 2, p. 160–179, 2024. DOI: 10.24903/bej.v6i2.1724. Disponível em: https://jurnal.fkip-uwgm.ac.id/index.php/Borju/article/view/1724. Acesso em: 10 oct. 2025.