TY - JOUR AU - assari, naser AU - Siadat, S.Ali AU - Abedini, Yasamin AU - Monadjemi, S.Amir Hasan TI - Explaining and Determining the Hierarchy of School Principals Managerial Competency Criterions in the Isfahan Education Organization Based on Fuzzy Delphi Method JO - Journal of New Approaches in Educational Administration VL - 11 IS - 41 SP - 159 EP - 190 PY - 2020 DO - ER -