ROSITA, I.; ABADI, A. P. KEMAMPUAN PEMECAHAN MASALAH MATEMATIS BERDASARKAN LANGKAH-LANGKAH POLYA. Prosiding Sesiomadika, [S. l.], v. 2, n. 1d, 2019. Disponível em: https://journal.unsika.ac.id/index.php/sesiomadika/article/view/2452. Acesso em: 10 mei. 2024.