RAFI, Ibnu; SUGIMAN, Sugiman. Problem posing ability among prospective mathematics teachers. PYTHAGORAS Jurnal Matematika dan Pendidikan Matematika, [S. l.], v. 14, n. 2, p. 188–198, 2019. DOI: 10.21831/pg.v14i2.29976. Disponível em: https://journal.uny.ac.id/index.php/pythagoras/article/view/29976. Acesso em: 19 jul. 2025.