(3OQGSGJ CSQjI hHjFjI (B/s - (3CMeO, ZQjH eMeO SjOs ((3GdEScfOQjI, eUQ (B:s (3OGQ GdeYQaI GdLGeYjI,s, 1997)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdHjFI hGdEfSGf s -- (3LhGfH GLJeGYjIs -- (3HMhKs; (3GdCSQIs -- (3LhGfH GLJeGYjIs -- (3HMhKs