Interactive fuzzy programming for two-level linear fractional programming problems

Interactive fuzzy programming for two-level nonconvex programming problems with fuzzy parameters through genetic algorithms

Fuzzy Sets and Systems - Special issue: Optimization and decision support systems

Decentralized multi-objective bilevel decision making with fuzzy demands

Knowledge-Based Systems

On stability of proper efficient solutions in multiobjective fractional programming problems under fuzziness

Mathematical and Computer Modelling: An International Journal

A global optimization algorithm for solving the bi-level linear fractional programming problem

Computers and Industrial Engineering