RETNOWATI, Endah; FATHONI, Yazid; CHEN, Ouhao. Mathematics problem solving skill acquisition: Learning by Problem Posing or by Problem Solving?. Jurnal Cakrawala Pendidikan, [S. l.], v. 37, n. 1, 2018. DOI: 10.21831/cp.v37i1.18787. Disponível em: https://journal.uny.ac.id/index.php/cp/article/view/18787. Acesso em: 7 may. 2025.