(3bVjI GdCSQi Ydj VhA bhGYO GdbGfhf GdOhdj GdEfSGfj(B/s - (3QjGV UGdM CHh GdYWGs ((3GdEScfOQjI(B:s (3OGQ GdLGeYI GdLOjOI(B,s, 2009)
. 240-220 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdbGfhf GdOhdj GdYGes; (3Mbhb GdEfSGfs