(3GdCUhd GdJGQjNjI ddeTcdI GdCQjJQjI (B/ s - (3GdSjO QLH MQGRs (b, 1977)
. 62-58 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdYdGbGJ GdOhdjIs -- (3JGQjNs; (3GdbGfhf GdOhdj GdYGes