Kesalahan Siswa dalam Mengerjakan Soal Sistem Persamaan Linear Dua Variabel Berdasarkan Kriteria Watson. Jurnal Tadris Matematika, [S. l.], v. 3, n. 2, p. 219–228, 2020. DOI: 10.21274/jtm.2020.3.2.219-228. Disponível em: https://ejournal.uinsatu.ac.id/index.php/jtm/article/view/3430. Acesso em: 13 feb. 2026.