MAHMUDI, Ali. MENINGKATKAN KREATIVITAS SISWA MELALUI PROBLEM POSING. PYTHAGORAS Jurnal Matematika dan Pendidikan Matematika, [S. l.], v. 3, n. 1, 2012. DOI: 10.21831/pg.v3i1.641. Disponível em: https://journal.uny.ac.id/index.php/pythagoras/article/view/641. Acesso em: 10 jul. 2025.