(3GdJchjf GdJGQjNj ddCeI GdYQHjI(B: (3OQGSI aj GdghjI hGdhYjs - (3YHOGdYRjR GdOhQjs ((3dHfGfs (3eQcR OQGSGJ GdhMOI GdYQHjIs, 1986)
Keywords: Social Sciences (3GdYdhe GdGLJeGYjIs; General