(3ehShYI GdJTQjYGJ GdLfGFjI (B:s (3OQGSI dCge LQGFe bGfhf GdYbhHGJ hGdJTQjYGJ GdLfGFjI GdNGUI JTed GdfUhU GdbGfhfjI(B-(3JYdjeGJ GdfjGHI GdYGeI(B-(3CMcGe GdfbV hBQGA Gdabg(B-(3GdbjhO hGdChUGa (B/s - (3GdWjH, CMeO YHO GdXGgQs ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI,s, 1998)
Keywords: (3GdbGfhf GdLfGFjs -- (3eUQs -- (3OhGFQ eYGQas; (3bGfhf GdYbhHGJs -- (3eUQs -- (3OhGFQ eYGQas