List of Articles factor analysis method Open Access Article Abstract Page Full-Text 1 - Presenting a competency model in appointing managers in service organizations by identifying and cultivating managers' competencies from the sociological perspective of organizations (Case study: Social Security Organization) behrouz khoshnamak Suleiman Iranzadeh asadollah khadivi Hoshang Tagizadeh 10.30495/jss.2020.1905514.1224