(3GdYdGL GdfaSj (B: s (3bOjeG h MOjKG (B/ s - (3ceGd, Ydjs ((3HjQhJ (B:s (3GdeDSSI GdYQHjI ddOQGSGJ h GdfTQ,s, 1994)
Keywords: (3GdWH GdfaSjs; (3GdYdGL GdfaSjs; (3GdJGQjNs