Pengaruh Model Problem-Based Learning terhadap Kemampuan Pemahaman Konsep Matematis Siswa Kelas V. IMEIJ [Internet]. 2025 Dec. 4 [cited 2026 Aug. 12];6(8):11451-62. Available from: https://ejournal.indo-intellectual.id/index.php/imeij/article/view/4560