List of Articles تابع عضویت Open Access Article Abstract Page Full-Text 1 - Classifying Flexible Factors Using Fuzzy Concept S. Saati N. Imani Open Access Article Abstract Page Full-Text 2 - Productivity changes of units: A directional measure of cost Malmquist index G. Tohidi S. Tohidnia Open Access Article Abstract Page Full-Text 3 - Investigation and Evaluation of Supply Chain Resilience with Fuzzy Logic Approach (Empirical Evidence: Automobile Parts Manufacturing Industry in Mazandaran Province) Hassanali Aghajani Hossein Samadi Miarkolaei Mohamad Farmanzadeh Open Access Article Abstract Page Full-Text 4 - Identification areas susceptible to soil erosion using Fuzzy-AHP Case Study: Mahabad dam watershed Davood Talebpoor asl Ezzatollah Ghanavati