List of Articles Improving Performance Open Access Article Abstract Page Full-Text 1 - Identifying Pathologic Causes of Delays in Projects in Order to Enhance Productivity in all Aspects of the Project Administration Bita Keivani Mojtaba Ramezani Open Access Article Abstract Page Full-Text 2 - 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