1.
Handayani M, Kusumaningsih W, Sujinah. 219. Peningkatan Hasil Belajar Matematika Melalui Penerapan Model Pembelajaran Problem Based Learning Kelas II SD 1 Peganjaran. psnppg [Internet]. 2023 Jul. 3 [cited 2025 Dec. 5];1(1):1957-6. Available from: https://conference.upgris.ac.id/index.php/psnppg/article/view/4248