(3bQGQ hRjQ GdUMI Qbe (B253 (3dSfI (B1974 (3HdGFMI GdbheSjhfGJ GdWHjI hbQGQ hRjQ GdUMI Qbe (B254 (3dSfI (B1974 (3HTCf JTcjd hGNJUGUGJ GdbheSjhfGJ GdWHjI hbQGQGJ CNQi gGeI (B/s - (3eUQ(B.s ((3GdbGgQI (B:s (3GdgjFI GdYGeI dTFhf GdeWGHY GdCejQjI,s, 2002)
Keywords: (3JTQjYGJ hbhGfjfs; (3GdbheSjhfGJ(B.s