Sari BP, Fallo SI, Lalang A. Kemampuan Penalaran Matematika Siswa Melalui Pendekatan Problem Solving : Penelitian. JERKIN [Internet]. 2026 Feb. 21 [cited 2026 Aug. 3];4(3):21167-76. Available from: https://jerkin.org/index.php/jerkin/article/view/5613