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Abstract This thesis is concerned with fuzzy integer linear fractional programming problem and contains study of the following cases: Case 1: Integer linear fractional programming problems with fuzzy parameters in the objective function. Case 2: Integer linear fractional programming problems with fuzzy parameters in the right-hand side of the constraints. Case 3: Integer linear fractional programming problems with fuzzy parameters in the left-hand side of the constraints. Case 4: Integer linear fractional programming problems with fuzzy parameters in the objective function and constraints. |