(3bGfhf GdJfXje GdOhdj (B:s (3GdfXQjI GdYGeI (B/s - (3UdGM GdOjf YGeQs ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI(B.s, 1984)
. 240-220 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdefXeGJ GdOhdjIs; (3GdbGfhf GdOhdj GdYGes