(3GdGjGe GdMGSeI aj GdMQhH GdUdjHjI (B: s (3MdbI fbGT (B/ s - (3MdbI fbGT GdUhQ GdeYjGQjI ddUMjaI GdCSHhYjI GdfGLMI (B( 1997 : (3YeGf (B)s ((3YeGf (B:s (3eQcR GdQjGOI ddeYdheGJ h GdOQGSGJ,s, 1997)
Keywords: (3GdUMGaIs; (3GdUMas