(3YUQ GSeGYjd s - (3YHOGdQMef GdQGaYj Hc s ((3eUQ (B:s (3eWHYI GdfgVI (B,s, 1932)
. 240-220 (3HHdjhLQGajG(B: (3UaMGJ(B.s
Keywords: (3JGQjN eUQ s; (3JGQjN GdbQf GdJGSY YTQ s