Ramli U. Peningkatan Hasil Belajar Matematika Materi Trigonometri Melalui Model Problem Based Learning Berbasis Media Audiovisual. Scholaria [Internet]. 2025 Jan. 20 [cited 2026 Oct. 12];15(1):84-92. Available from: https://ejournal.uksw.edu/scholaria/article/view/13911