(3CWaGd GdThGQY (B:s (3eCSGI MVGQjI aj GdCdajI GdKGdKI (B/s - (3agej, eMeO SjO(B.s ((3GdEScfOQjI, eUQ (B:s (3GdecJH GdLGeYj GdMOjK,s, 2000)
(3HHdjhLQGajI (B: (3U(B. 337-341.s
Keywords: (3CWaGd GdThGQYs -- (3eUQs