(3GdESdGe cfXGe ddMjGI (B/s - (3eMeO GdHgis ((3GdbGgQI (B:s (3ecJHI hgHg,s, 1982)
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdTQjYI GdGSdGejIs