(3GdehLR aj adSaI hJGQjN GdJQHjI GdHOfjI hGdQjGVjI (B/ s - (3GdSgQhQOj, fLe GdOjf, s 1920-2009(3, s ((3HZOGO (B[(3GdYQGb(B] : s (3eDSSI OGQ GdcJH ddWHGYI hGdfTQ (B980.s, 1980)
(3jJVef GQLGYGJ HHdjhLQGajI (B: (3UaMI (B218-228.s
Keywords: (3GdJQHjI GdHOfjIs -- (3adSaI(B.s; (3GdJQHjI GdHOfjIs -- (3JGQjNs