(3TQM aGfhf GdYbhHGJ GdbSe GdNGU (B:s (3LQGFe GdGYJOGA Ydi GdGTNGU (B/s - (3ahRjI YHOGdSJGQs ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI,s, 1982)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdbGfhf GdLfGFis; (3bGfhf GdYbhHGJ GdbSe GdNGUs