List of Articles Compromise solution Open Access Article Abstract Page Full-Text 1 - Multi-Criteria Optimization and Compromise Solution in Prioritization of Spatial Development (Case Study: Townships of Ardabil) Farhad Barandak ali hoseini Open Access Article Abstract Page Full-Text 2 - Deriving Common Set of Weights in the Presence of the Undesirable Inputs: A DEA based Approach M .Eyni M .Maghbouli Open Access Article Abstract Page Full-Text 3 - Hybrid Portfolio Optimization using Analytic Hierarchy Process (AHP), Combined Compromise Solution (CoCoSo) and Markowitz Model (Case study of Tehran Stock Exchange) Nasimeh Abdi mehdi Moradzadeh Fard Hamid Ahmadzadeh Mahmoud Khoddam Open Access Article Abstract Page Full-Text 4 - Fuzzy bi-level linear programming problem using TOPSIS approach Shyamali Ghosh Sankar Kumar Roy