(3Gddg h GdYGde h GdEfSGf aj GdacQ GdESdGej (B/ s - (3TQa, eMeO LdGds ((3HjQhJ (B:s (3OGQ GdfgVI GdYQHjI,s, 1980)
Keywords: (3GdacQ GdESdGejs; (3GdadSaI GdESdGejIs