(3bVGjG GdESdGejI (B:s (3QMdI GdGfSGf Gdi QHg (B/s - (3eMeO CMeO GdSHGYis ((3GdbGgQI (B:s (3GdgjFI GdeUQjI GdYGeI ddcJGH ,s, 1989)
. 240-220 (3HHdjhLQGajG(B: (3UaMGJ(B.s
Keywords: (3GdTQjYI GdGSdGejIs