Bi-level multi-objective programming problem with fuzzy demands: a fuzzy goal programming algorithm Bi-Level Multi-Objective Programming Problems With Fuzzy Parameters: TOPSIS Approach Interactive Approach for Multi-Level Multi-Objective Fractional Programming Problems with Fuzzy Parameters Stochastic Fuzzy Multi-level Multi-objective Fractional Programming Problem: A FGP Approach Interactive Approach for Multi-level Multi-objective Fractional Programming Problem under hybrid uncertainty Multi-level Multi-objective Quadratic Fractional Programming Problem with Fuzzy Parameters: A FGP Approach On Parametric Multi-level Multi-objective Fractional Programming Problems with Fuzziness in the Constraints FGP Approach for Solving multi-level multi-objective quadratic fractional programming problem with fuzzy parameters Bi-level Multi-objective Programming Problems with Fuzzy Parameters: Modified TOPSIS Approach A HYBRID APPROACH OF TOPSIS AND FUZZY GOAL PROGRAMMING FOR BI-LEVEL MODM PROBLEMS WITH FUZZY PARAMETERS Fuzzy rough bi-level multi-objective nonlinear programming problems Study of Achievement Stability Set for Parametric Linear FGP Problems A novel Approach for Fully Intuitionistic Fuzzy Multi-Objective Fractional Transportation Problem A novel algorithm for generating Pareto frontier of bi-level multi-objective rough nonlinear programming problem A modified TOPSIS approach for solving stochastic fuzzy multi‑level multi‑objective fractional decision making problem Using Interval Operations in the Hungarian Method to Solve the Fuzzy Assignment Problem and Its Application in the Rehabilitation Problem of Valuable Buildings in Egypt A novel Interactive Approach for Solving Uncertain Bi-Level Multi-Objective Supply Chain Model A novel Approach for Fully Intuitionistic Fuzzy Multi-Objective Fractional Transportation Problem Stability of Parametric Intuitionistic Fuzzy Multi-Objective Fractional Transportation Problem.