(3CTLGQ eUQjI YQjbI (B: (3GdCTLGQ GdNTHjI ai NOeI GdHjFIs - (3LgGR TFhf GdHjFIs ((3GdbGgQIs (3LgGR TFhf GdHjFIs, 1999)
4 5
Keywords: (3Ydhe eHSWI (B((3WHjYI (B)s