(3GdEOGQI GdMOjKI (B:s (3GdGJUGdGJ(B-(3GdeYdheGJ(B-(3GdbQGQGJ (B/s - (3GdeUQj, CMeO eMeOs ((3GdEScfOQjI, eUQ,s (3eDSSI THGH GdLGeYI,s, 2000)
(3HHdjhLQGajI (B: (3U(B. 347-349.s
Keywords: (3GdEOGQI GdYGeIs; (3GdGJUGdGJ GdEOGQjIs; (3GdbQGQGJ GdEOGQjIs