HELLER, M.; MĄCZKA, J. Ideals and ideats. Philosophical Problems in Science (Zagadnienia Filozoficzne w Nauce), [S. l.], n. 72, p. 203–212, 2022. DOI: 10.59203/zfn.72.576. Disponível em: https://zfn.edu.pl/index.php/zfn/article/view/576. Acesso em: 16 jul. 2025.