b - (3UdjMI Ydi UOGbIs (b, 2010)
. 614-568 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdOhd PGJ GdSjGOI (B((3GdGYJQGa HGdOhd hGdMcheGJ(B)s; (3GdbGfhf GdOhdj GdYGes