(3GdejQGK(B:s (3GMcGe GdGSQI aj GdGSdGe(B/s - (3GdHQOjSj,eMeO RcQjGs ((3O(B.(3e(B:s (3OGQ GdfgVI GdYQHjI,s, 1969)
Keywords: (3GdehGQjKs