1.
219. Peningkatan Hasil Belajar Matematika Melalui Penerapan Model Pembelajaran Problem Based Learning Kelas II SD 1 Peganjaran. psnppg. 2023;1(1):1957-1967. Accessed August 11, 2026. https://conference.upgris.ac.id/index.php/psnppg/article/view/4248