“Analisis Buku Teks Matematika Kurikulum 2013 Edisi Revisi 2017 Kelas VIII Pokok Bahasan Sistem Persamaan Linear Dua Variabel Berdasarkan Kriteria Bell”. Prosiding Seminar Nasional Pendidikan Matematika, Universitas Mulawarman 2, no. 1 (July 31, 2022): 127–143. Accessed August 12, 2026. https://jurnal.fkip.unmul.ac.id/index.php/psnpm/article/view/1253.