فهرس المقالات Manuel Ubeda-Flores المقاله 1 - A Note on the Maximum Difference Between Schweizer and Wolff's $\sigma$ and the Absolute Value of Spearman's $\rho$ 10.30495/tfss.2022.1956899.1024 Manuel Ubeda-Flores Transactions on Fuzzy Sets and Systems , العدد 2 , السنة 1 , پاییز-زمستان 2022