GAMIFICATION OF DUOLINGO IN RISING STUDENT’S ENGLISH LANGUAGE LEARNING MOTIVATION. Jurnal Bahasa Lingua Scientia, [S. l.], v. 13, n. 2, p. 191–213, 2021. DOI: 10.21274/ls.2021.13.2.191-213. Disponível em: https://ejournal.uinsatu.ac.id/index.php/ls/article/view/3972. Acesso em: 24 jan. 2026.