CSABAY, Károly; DARAGÓ, József. Combinatorics teaching experiment. Teaching Mathematics and Computer Science, [S. l.], v. 9, n. 1, p. 27–44, 2011. DOI: 10.5485/TMCS.2011.0270. Disponível em: https://ojs.lib.unideb.hu/tmcs/article/view/14885. Acesso em: 27 sep. 2024.