Nurharyanto, Dwi Widyastuti, and Jailani Jailani. “Pengaruh Pendekatan Problem Solving Terhadap Kemampuan Penalaran Matematis Siswa Kelas V Sekolah Dasar”. EDUKASI 21, no. 1 (May 19, 2023): 296–305. Accessed June 6, 2026. https://ejournal.unkhair.ac.id/index.php/edu/article/view/6105.