WARDANI, N. A.; SAEFURROHMAN, S.; BALINAS, E. S. Gamified Flipped Classroom for Teaching EFL Productive Skills: Exploring Teachers’ Practices and Challenges in an Islamic University. Register Journal, [S. l.], v. 18, n. 2, p. 286–320, 2025. Disponível em: https://ejournal.uinsalatiga.ac.id/index.php/register/article/view/4938. Acesso em: 7 dec. 2025.