TY - JOUR AU - Zamanian, Ali reza AU - Jahangirfard, Majid AU - Haj alian, Farshad TI - Designing a core competency model for Iranian gas industry managers based on the results of EFQM by artificial intelligence method JO - Quarterly Journal of Training and Development of Human Resources VL - 9 IS - 34 SP - 73 EP - 100 PY - 2023 DO - ER -