Irawan, Dhedhen Dwi Puji, and Diah Handayani. “Peningkatan Minat Matematika Siswa Kelas X-4 Sman 2 Jombang Pada Materi Statistika Dengan Model Problem Based Learning (PBL)”. Proceeding International Conference on Lesson Study 1, no. 1 (January 13, 2024): 410–419. Accessed June 7, 2025. https://journal.umg.ac.id/index.php/icls/article/view/7191.