Fuzziness and Roughness of Non-precise Quantities. Austrian Journal of Statistics, [S. l.], v. 28, n. 4, p. 173–194, 2016. DOI: 10.17713/ajs.v28i4.521. Disponível em: https://www.ajs.or.at/index.php/ajs/article/view/vol28%2C%20no4%20-%201. Acesso em: 18 jun. 2026.