YANAH; HAKIM, Dori Lukman. Kemampuan Penalaran Matematis Siswa SMP Dalam Menyelesaikan Masalah Sistem Persamaan Linear Dua Variabel . Jurnal Educatio FKIP UNMA, [S. l.], v. 8, n. 1, p. 355–366, 2022. DOI: 10.31949/educatio.v8i1.1995. Disponível em: https://ejournal.unma.ac.id/index.php/educatio/article/view/1995. Acesso em: 28 jun. 2025.