(3GdYUQ GdYHGSj (B: s (3feGOL TYQjI eMddI (B/ s - (3ZQjH, LhQLs ((3HjQhJ (B:s (3OGQ GdKbGaI,s, 1983)
Keywords: (3GdYUQ GdYHGSjs; (3GdfbO GdCOHjs; (3GdTYQ GdYQHjs