RESI RATNA SUMINAR; MEILIASARI; NURJANNAH. Improving Geometry Problem Solving Abilities Through Spatial Reasoning-Based Problem Based Learning in Elementary Schools. Jurnal Elementaria Edukasia, [S. l.], v. 7, n. 2, p. 2736–2749, 2024. DOI: 10.31949/jee.v7i2.9308. Disponível em: http://ejournal.unma.ac.id/index.php/jee/article/view/9308. Acesso em: 3 sep. 2024.