RAHMATUDIN, Jajang; HIDAYAT, Rifqi. Analisis Kelayakan Isi dan Penyajian Buku Matematika Smp Kelas 7 Materi Aljabar. Mathline : Jurnal Matematika dan Pendidikan Matematika, [S. l.], v. 5, n. 2, p. 146–153, 2020. DOI: 10.31943/mathline.v5i2.138. Disponível em: https://mathline.unwir.ac.id/index.php/Mathline/article/view/138. Acesso em: 24 dec. 2025.