Nadiahanyati, Nadiahanayati, and Suryadi Suryadi. “Comparison Between The Flipped Classroom Learning Model and Contextual Teaching and Learning in Improving Students Speaking Skills”. Jurnal Teknologi Pendidikan : Jurnal Penelitian dan Pengembangan Pembelajaran 8, no. 2 (April 20, 2023): 364–372. Accessed August 16, 2025. https://e-journal3.undikma.ac.id/index.php/jtp/article/view/6490.