@article{
  author = {Zamanian, Ali reza, Jahangirfard, Majid, Hajalian, Farshad},
  title = {Clustering Iranian Gas Industry Managers and Ranking Their Competencies via the EFQM Excellence Model-based Evaluation with an Artificial Intelligence Approach},
  journal = { Quarterly Journal of Training and Development of Human Resources},
  year = {2022},
  volume = {8},
  number = {31},
  pages = {51-80},
  doi = {10.52547/istd.31542.8.31.51}
}