(3GdhSjW aj bGfhf GdefXeGJ GdOhdjI (B/ s - (3GMeO GHh GdhaGs ((3GdbGgQI (B: s (3OGQ GdegVI GdYQHjI , s, 1998)
. 240-220 (3HHdjhLQGajG(B: (3UaMGJ(B.s
Keywords: (3GdbGfhf GdOhdj GdYGes