ZSAKÓ, László. Combinatorics – competition – Excel. Teaching Mathematics and Computer Science, [S. l.], v. 4, n. 2, p. 427–435, 2006. DOI: 10.5485/TMCS.2006.0144. Disponível em: https://ojs.lib.unideb.hu/tmcs/article/view/14782. Acesso em: 27 sep. 2024.