Nurdianingsih, F., S. W. Fitriati, P. Astuti, and F. Rozi. “Implementing a Group-Based Flipped Classroom Model in EFL Writing Class: Challenges and Benefits”. The Proceedings of English Language Teaching, Literature, and Translation (ELTLT), vol. 14, Oct. 2025, pp. 168-74, https://proceeding.unnes.ac.id/eltlt/article/view/4661.