(3XGgQI GdYhO Edi GdLQjeI(B:s (3ai GdTQjYI GdESdGejI hGdabg GdLfGFi GdhVjYj(B/s - (3CMeO MHjH GdSeGcs ((3GdchjJ (B:s (3eWHhYGJ GdLGeYI ,s, 1985)
(3GdfU HGddZI GdYQHjIs
Keywords: (3bGfhf LfGFis; (3GdfXGe GdLfGFj GdESdGejs