(3bhGYO GdSdhc GdOHdheGSj ai GdESdGe (B/ s - (3YHO GdbGOQ SdGeI(B.s ((3GdbGgQI (B: s (3OGQ GdfgVI GdYQHjI, s, 1997)
(3HHdjhLQGajG(B: (3UaMGJ (B118-123.s
Keywords: (3GdOHdheGSjI hGdSdc GdOHdheGSjs; (3GdESdGes