List of Articles مدل تعالی سازمانی (EFQM) Open Access Article Abstract Page Full-Text 1 - Clustering Iranian Gas Industry Managers and Ranking Their Competencies via the EFQM Excellence Model-based Evaluation with an Artificial Intelligence Approach Ali reza Zamanian Majid Jahangirfard Farshad Hajalian 10.52547/istd.31542.8.31.51 Open Access Article Abstract Page Full-Text 2 - Designing a core competency model for Iranian gas industry managers based on the results of EFQM by artificial intelligence method Ali reza Zamanian Majid Jahangirfard Farshad Haj alian