What is a geometric shape? Preschool and primary pre-service teacher’s misconceptions. Elementary Mathematics Education Journal, [S. l.], v. 4, n. 1, 2022. DOI: 10.5507/emej2022-4-1-451. Disponível em: https://journals.upol.cz/EMEJ/article/view/451. Acesso em: 14 jun. 2026.