(3GdhLjR aj bGfhf GdJfXje GdOhdj(B/s - (3CTQa YQaGJ CHh MLGQIs ((3GdLjRI(B:s (3cdjI GdMbhb(B-(3LGeYI GdbGgQI(B,s, 2011)
. 240-220 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdbGfhf GdOhdj GdYGes