STANKUS, Eugenijus. Teaching of probability theory and combinatorics at secondary schools. Lietuvos matematikos rinkinys, [S. l.], v. 44, n. spec., p. 35–39, 2004. DOI: 10.15388/LMR.2004.31743. Disponível em: https://journals.vu.lt./LMR/article/view/31743.. Acesso em: 21 nov. 2024.