List of Articles Operation techniques of manage Open Access Article Abstract Page Full-Text 1 - Studding of Efficiency and Sensitivity Analysis Operation Techniques of Management Accounting In Improvement of Performance of Companies by Data Envelopment Analysis Models (Case Study: Pharmacy Companies Accepted In Tehran Stock Exchange) محمود معین الدین علی مروتی شریف آبادی علی فاضل یزدی محمد حسین طحاری مهرجردی