ŽÁK, Vojtěch. Data Collection Methods in Didactics of Physics in the International Environment. Scientia in educatione, [S. l.], v. 7, n. 2, p. 18–33, 2016. DOI: 10.14712/18047106.349. Disponível em: https://ojs.cuni.cz/scied/article/view/349. Acesso em: 4 jul. 2025.