de Lima, Pedro Ferreira, Cláudio Tadeu Cristino, Paulo Renato Alves Firmino, and Cícero Carlos Felix Oliveira. 2015. “Probability Distribution Model for the Number of Balls Called until Someone ‘hits’ a Conventional Bingo”. Sigmae 4 (2):6-13. https://publicacoes.unifal-mg.edu.br/revistas/index.php/sigmae/article/view/227.