(3GdESdGe hMbhb GdEfSGf (B:s (3OQGSI ebGQfI (B/s - (3GdbWH eMeO GdbWH WHdjgs ((3GdbGgQI (B:s (3OGQ GdZO GdYQHi,s, 1976)
(3jTJed Ydi EQLGYGJ HHjdhLQGajI(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdMbhb GdeOfjI ai GdESdGes -- (3GdTQjYI GdESdGejIs