Nurdianingsih F, Fitriati SW, Astuti P, Rozi F. Implementing a Group-based Flipped Classroom Model in EFL Writing Class: Challenges and Benefits. ELTLT [Internet]. 2025 Oct. 30 [cited 2025 Nov. 1];14:168-74. Available from: https://proceeding.unnes.ac.id/eltlt/article/view/4661