HIMAWATI, S. A.; AINI, I. N. .; WARMI, A. Description Of Mathematic Problem Solving Ability for Class X Senior High School Students Based On Polya Steps: Deskripsi Kemampuan Pemecahan Masalah Matematis Siswa SMA Kelas X Berdasarkan Langkah-Langkah Polya. Mathline : Jurnal Matematika dan Pendidikan Matematika, [S. l.], v. 6, n. 2, p. 191–206, 2021. DOI: 10.31943/mathline.v6i2.226. Disponível em: https://mathline.unwir.ac.id/index.php/Mathline/article/view/226. Acesso em: 20 aug. 2022.