SUPRIYONO, A. .; WICAKSONO, A.; KHOIRIYAH, K. Using Flipped Classroom to Teach Speaking. Prosiding SEMDIKJAR (Seminar Nasional Pendidikan dan Pembelajaran), [S. l.], v. 5, p. 1123–1136, 2022. Disponível em: https://proceeding.unpkediri.ac.id/index.php/semdikjar/article/view/2437. Acesso em: 7 feb. 2023.