Theodosia Ndole, and Maria Ana. “PENERAPAN PROBLEM BASED LEARNING DALAM MENINGKATKAN HASIL BELAJAR MATEMATIKA SISWA SEKOLAH DASAR”. JUPIKA: JURNAL PENDIDIKAN MATEMATIKA 4, no. 1 (March 27, 2021): 32-41. Accessed October 29, 2026. https://e-journal.uniflor.ac.id/index.php/jupika/article/view/885.