Nonparametric Rank Tests for Independence in Opinion Surveys. Austrian Journal of Statistics, [S. l.], v. 31, n. 4, p. 279–290, 2016. DOI: 10.17713/ajs.v31i4.490. Disponível em: https://www.ajs.or.at/index.php/ajs/article/view/vol31%2C%20no4%20-%204. Acesso em: 28 apr. 2026.