(3GdGcJFGH (B:s (3OQGSI ai GdSjchHGKheJQi (B/s - (3eOMJ YHOGdMejO GHhRjOs; (3YHGS eMehO YhVs ((3GdbGgQI (B: s (3OGQ GdeYQaI GdLGeYjI ,s, 2000)
(3jTJed Ydi GQLGYGJ HHdjhLQGajIs
Keywords: (3GdGcJFGHs; (3GdUMI GdfaSjIs; (3GdGeQGV GdfaSjIs