(3Odjd GdQLd GdWHj (B: s (3WQjb GdQLd Edi GdUMI h GdbhI h GdfTGW (B/ s - (3HjOS, Cejd Ndjds ((3HjQhJ (B:s (3OGQ GdBaGb GdLOjOI,s, 1986)
Keywords: (3GdUMIs; (3GdQLds