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fuzzy numbers and on that basis the model is
developed as an interactive decision making
problem. It is important to note that the proposed
methodology is capable of providing optimal
solution even for fuzzy observations represented by
trapezoidal fuzzy numbers or by s-curves. Moreover,
incorporating the attitudinal parameter ∈
0,1
reflecting DM’s degree of optimism offers more
flexibility in decision making to a DM, required in a
real world.
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