(3TQM bGfhf GdYbhHGJ GdbSe GdNGU (B/s - (3ahRjI YHO GdSJGQs ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI (B,s, 1988)
(3HHdjhLQGajG(B: (3UaMGJ (B1007-1058s
(3jTJed Ydi EQLGYGJ HHdjhLQGajIs
Keywords: (3bGfhf GdYbhHGJ GdbSe GdNGUs; (3GdbGfhf GdLfGFi s