Uncertainty and Imprecision in Decision Making and Decision Support: New Challenges, Solutions and Perspectives - Atanassov; Atanassova, Vassia; Kacprzyk, Janusz; Kaluszko, Andrzej; Krawczak, Maciej; Owsinski, Jan W.; Sotirov, Sotir; Sotirova, Evdokia; Szmidt, Eulalia; Zadrozny, Slawomir (Springer International Publishing, 2021)