(3CSHGH GdHWdGf GdfSHj (B: s (3OQGSI aj bGfhf GdeYGgOGJ GdOhdjI (B/ s - (3YUGe eMeO CMeO RfGJjs ((3GdbGgQI (B: s (3OGQ GdfgVI GdYQHjI, s, 2000)
(3HHdjhLQGajG(B: (3UaMGJ (B188-196.s
Keywords: (3GdeYGgOGJ GdOhdjIs