AHMAD, G.; MANDAR, S. R.; JOKO, S. Mathematical Reasoning Ability of Grade IV Elementary School Students on Polygon Materials. Thinking Skills and Creativity Journal, [S. l.], v. 4, n. 2, p. 62–67, 2021. DOI: 10.23887/tscj.v4i2.35388. Disponível em: https://ejournal.undiksha.ac.id/index.php/TSCJ/article/view/35388. Acesso em: 20 apr. 2024.