List of Articles Performance Efficiency Open Access Article Abstract Page Full-Text 1 - Explanation of the system dynamics model for altering the balconies in order to improve the efficiency of the common residential plans of the cities of Guilan province based on the space syntax. Sara Shariati emad servati zeinab soleimani sheijani 10.22094/SOIJ.2024.938613 Open Access Article Abstract Page Full-Text 2 - Quality Management Approaches and their impact on firms’ financial performance (The Case of EFQM) Seyyedeh Leyla Samadi AliReza ErajPour Open Access Article Abstract Page Full-Text 3 - Supplier Selection Based on Optimistic and Pessimistic Perspectives Hosen Azizi Alireza Amir Teymori Reza Farzipour Samen Open Access Article Abstract Page Full-Text 4 - The Impact of Growth, Tangibility of Assets, Open Economy and Economic Indexes on Performance Efficiency Banks زهرا پورزمانی کاظم قاسمی