(3GdJfGaS GdaQfSj GdCeQjcj aj GdbGQI GdEaQjbjI HYO GdMQH GdHGQOI (B/ s - (3UGHhf eMeO QGTOs ((3GdbGgQI(B:s (3OGQ GdfgVI GdYQHjI,s, 2011)
. 236-225(3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdfRGY h GdUQGY Hjf GdOhds; (3GdbGfhf GdOhdj GdYGes