(3LeY LghO GdMaGX GdfbdI HJhGJQ QhGjGJ RjGOI GdYeQ HGdHQ hGdUdI (B/s - (3GdUZjQ, dWaj Hf eMeOs ((3GdQjGV (B:s (3CVhGA GdSda,s, 1997)
(3HHdjhLQGajI (B: (3U(B. 131-140.s
Keywords: (3GdMOjKs -- (3CMcGes; (3GdMOjKs -- (3GdLhGeYs; (3GdMOjKs -- (3LhGeY Gdafhfs