(3GdGeI GdYQHjIs - (3YHO GdMejO GdHWQjb s ((3eUQ (B:s (3OGQ GdeYGQa (B,s, 1955)
. 240-220 (3HHdjhLQGajG(B: (3UaMGJ(B.s
Keywords: (3GdbhejI GdYQHjIs; (3GdGeI GdYQHjI s