SUGIYANTO, Sugiyanto. Peningkatan Prestasi Belajar Matematika pada Materi Operasi Hitung Bilangan Bulat melalui Pendekatan Latihan Keterampilan Siswa SMP. Academy of Education Journal, [S. l.], v. 9, n. 1, p. 54–62, 2018. DOI: 10.47200/aoej.v9i1.258. Disponível em: https://jurnal.ucy.ac.id/index.php/fkip/article/view/258. Acesso em: 5 dec. 2024.