Umar, Umar, Hasratuddin Hasratuddin, and Edy Surya. “Pengembangan LKPD Berbasis Model Think Aloud Pair Problem Solving Untuk Meningkatkan Kemampuan Pemecahan Masalah Matematis Siswa SD Negeri 067248 Medan”. Jurnal Cendekia : Jurnal Pendidikan Matematika 6, no. 3 (November 26, 2022): 3402-3416. Accessed May 2, 2026. https://www.j-cup.org/index.php/cendekia/article/view/1884.