SIKORA, Agnieszka; SKUBAŁA, Piotr. Nature does not Create Unnecessary Things. No Limits, [S. l.], n. 2(4), p. 4–7, 2021. DOI: 10.31261/no_limits.2021.4.01. Disponível em: https://journals.us.edu.pl/index.php/no_limits/article/view/12611. Acesso em: 5 dec. 2025.