NOVOTNÁ, G. How lower-secondary pupils approach and perceive understanding mathematics. Scientia in educatione, [S. l.], v. 13, n. 2, p. 36-50, 2023. DOI: 10.14712/18047106.2202. Disponível em: https://ojs.cuni.cz/scied/article/view/2202. Acesso em: 19 kvě. 2024.