فهرس المقالات Hung Nguyen المقاله 1 - Why Linear (and Piecewise Linear) Models Often Successfully Describe Complex Non-Linear Economic and Financial Phenomena: A~Fuzzy-Based Explanation 10.30495/tfss.2023.1972564.1054 Hung Nguyen Vladik Kreinovich Transactions on Fuzzy Sets and Systems , العدد 3 , السنة 2 , بهار-تابستان 2023