%0 Journal Article %A Jahangirfard, Majid, Hajalian, Farshad, Zamanian, Ali reza %T Clustering Iranian Gas Industry Managers and Ranking Their Competencies via the EFQM Excellence Model-based Evaluation with an Artificial Intelligence Approach %J Quarterly Journal of Training and Development of Human Resources %V 8 %N 31 %P 51-80 %D 2022 %R 10.52547/istd.31542.8.31.51 %U https://rimag.ir/fa/Article/31542