Permatasari KT, Apriyani E, Fitriyana ZN. Pengembangan Media Pembelajaran Matematika Berupa Alat Peraga Jam Sudut. JPMS [Internet]. 2021 Dec. 31 [cited 2025 May 14];9(2):83-8. Available from: https://jurnal.uny.ac.id/index.php/jpms/article/view/25823