(3CMcGe GdEdJRGe (B: s (3GdehLR aj GdfXQjI GdYGeI ddEdJRGe (B/ s - (3SdWGf, CfhQs ((3HjQhJ (B:s (3OGQ GdfgVg GdYQHjg,s, 1974)
Keywords: (3GdbGfhf GdebGQfs