PAMUNGKAS, G. P.; KOWIYAH, K. The Influence of Open Ended Learning Model on Mathematical Problem Solving Ability. Jurnal Ilmiah Sekolah Dasar, [S. l.], v. 5, n. 3, p. 395–402, 2021. DOI: 10.23887/jisd.v5i3.37596. Disponível em: https://ejournal.undiksha.ac.id/index.php/JISD/article/view/37596. Acesso em: 18 jul. 2024.