Effectiveness Duolingo in Improving Student Motivation in Speaking Skills. Scripta : English Department Journal, [S. l.], v. 12, n. 2, p. 386–393, 2025. DOI: 10.37729/scripta.v12i2.6733. Disponível em: https://jurnal.umpwr.ac.id/index.php/scripta/article/view/6733. Acesso em: 2 sep. 2026.