CRISMONO, P. C. . PENGARUH POSSING PROBLEM BERKELOMPOK TERHADAP HASIL BELAJAR MATEMATIKA SISWA. Al-Ashr : Jurnal Pendidikan dan Pembelajaran Dasar, [S. l.], v. 3, n. 1, p. 45–53, 2021. Disponível em: https://ejurnal.uij.ac.id/index.php/alashr/article/view/862. Acesso em: 22 nov. 2024.