(3GdEOYGA GdeHGTQ ai GdELQGAGJ GdLfGFjI (B:s (3OQGSI ebGQfI (B/s - (3ahRjI YHOGdSJGQs ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI,s, 2000)
(3jTJed Ydi GQLGYGJ HHdjhLQGajI(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdbGfhf LfGFjs; (3GdEOYGA GdeHGTQ hOhQ GdCaQGO aj GdOYhI GdLfGFjIs