SAINING, M.; RUSMAYADI, R.; MUSI, M. A.; HALIK, A. The Effect of Problem-Based Learning Model on the Ability to Recognize Geometric Shapes in Children Aged 5-6 Years. Pancasila International Journal of Applied Social Science, [S. l.], v. 3, n. 01, p. 129–140, 2025. DOI: 10.59653/pancasila.v3i01.1384. Disponível em: https://risetpress.com/index.php/pancasila/article/view/1384. Acesso em: 27 jul. 2025.