The Lagrangian Relaxation Method for the Shortest Path Problem Considering Transportation Plans and Budgetary Constraint
                        
                        
                        
                        
                        Proposing a Robust Model of Interval Data Envelopment Analysis to Performance Measurement under Double Uncertainty Situations
                        
                        
                        
                        
                        Finding the Number of Members with Certain Relationships in Social Networks and Big Size Organizations using Copositive Programming
                        
                        
                        
                        
                        Constructing a Composite Index of Risk in the Banking Sector: A Multilayer DEA Approach (Case Study: Tehran Stock Exchange Member Banks)
                        
                        
                        
                        
                        Modeling of the Fatigue Life of Fiber Metal Laminates under Low Velocity Impact by Finite Element Method