CHAIRANI, Nurfayza; MUNANDAR, Dadang Rahman. KEMAMPUAN PEMECAHAN MASALAH MATEMATIS SISWA SMP MATERI HIMPUNAN BERDASARKAN LANGKAH POLYA. Prosiding Sesiomadika, [S. l.], v. 4, n. 1, 2023. Disponível em: https://journal.unsika.ac.id/index.php/sesiomadika/article/view/8440. Acesso em: 5 des. 2025.