List of Articles Stochastic DEA Open Access Article Abstract Page Full-Text 1 - Assessment of Cost Effectiveness of a Firm Using Multiple Cost Oriented DEA and Validation with MPSS based DEA Subhadip Sarkar Open Access Article Abstract Page Full-Text 2 - Introducing a Relational Network DEA Model with Stochastic Intermediate measures for Portfolio Optimization Hoda Golshani Hadi Hadi Bagherzadeh Valami Mahnaz Mirbolouki