شماره 2 تاریخ انتشار 2015-08-23

• The Uniqueness of the Overall Assurance Interval for Epsilon in DEA Models by the Direction Method
• An integrated model for solving the multiple criteria ABC inventory classification problem
• Classifying Flexible Factors Using Fuzzy Concept
• Introducing a secondary goal for evaluating DMUs by cross efficiency in data envelopment analysis
• Productivity changes of units: A directional measure of cost Malmquist index