GIANG, N. T. . Vietnamese lecturers’ perceptions of using the flipped classroom model in enhancing EFL students’ speaking skills. American Journal of Education and Learning, [S. l.], v. 11, n. 1, p. 19–34, 2026. DOI: 10.55284/ajel.v11i1.1712. Disponível em: http://onlinesciencepublishing.com/index.php/ajel/article/view/1712. Acesso em: 28 jan. 2026.