(3JcfhdhLjG GdCOGA GdHTQj aj GdefXeGJ (B:s (3GdCSS GdfXQjI hOdGdGJgG aj GdHjFI GdYQHjI GdeYGUQI (B/s - (3OQI, YHO GdHGQj EHQGgje(B.s ((3GdbGgQI (B:s (3GdefXeI GdYQHjI ddJfejI GdEOGQjI,s, 2003)
(3HHdjhLQGajI (B: (3U(B. 289-295.s
Keywords: (3EOGQI GdCaQGOs -- (3GdHdGO GdYQHjIs; (3Gdbhi GdYGedIs -- (3eYGdLI HjGfGJs