YOSHIDA, R. Open Problems on Connectivity of Fibers with Positive Margins in Multi-dimensional Contingency Tables. Journal of Algebraic Statistics, [S. l.], v. 1, n. 1, p. 13–26, 2010. DOI: 10.29020/nybg.jalgstat.v1i1.1. Disponível em: https://jalgstat.com/index.php/jalgstat/article/view/1. Acesso em: 25 sep. 2022.