(3GdUdM GdLfGFj (B:s (3ai fWGb GdeGOJjf (B18 (3ecQQG h (B18 (3ecQQG (B((3C(B) (3ELQGAGJ LfGjFI ebGQfI(B" / s - (3EHQGgje MGeO WfWGhjs ((3GdbGgQI (B: s (3OGQ GdfgVI GdYQHjI,s, 2000)
158-168 (3HHdjhLQGajG(B: (3UaMGJ(B.s
Keywords: (3GdbGfhf GdLfGFis