(3GdEYdGe hGdEYdGe GdCefj (B/s - (3bHjSj, eMeOs ((3HjQhJ (B:s (3OGQ GdacQ GdYQHj,s, 2008)
(3HHdjhLQGajI (B: (3U(B. 221-224.s
Keywords: (3GdCef GdOGNdjs -- (3LhGfH GLJeGYjIs; (3GdCef Gdbhejs -- (3LhGfH GLJeGYjIs