KONGSAEN, K. .; ONTHANEE, A. . The Delvelopment of Learning Activities Based on Flipped Classroom to Promote English Listening and Speaking Proficiency for Grade 6. Academic MCU Buriram Journal, [S. l.], v. 7, n. 1, p. 115–129, 2022. Disponível em: https://so06.tci-thaijo.org/index.php/ambj/article/view/251311. Acesso em: 19 apr. 2024.