Analisis Kemampuan Penalaran Matematis Siswa Melalui Problem Based Learning Di SMP Negeri 3 Tebing Tinggi. JKIP [Internet]. 11 Agustus 2025 [dikutip 30 Juli 2026];6(3):854-68. Tersedia pada: https://journal.al-matani.com/index.php/jkip/article/view/1505