JOENNA KASSIM; WIRAWATI NGUI. DEVELOPING SPEAKING SKILLS THROUGH FLIPPED CLASSROOM AT A SECONDARY SCHOOL IN SABAH. MANU Jurnal Pusat Penataran Ilmu dan Bahasa (PPIB), [S. l.], v. 36, n. 1, p. 62–83, 2025. DOI: 10.51200/manu.v36i1.5599. Disponível em: https://jurcon.ums.edu.my/ojums/index.php/MANU/article/view/5599. Acesso em: 19 feb. 2026.