(3GdMjO GdabgjI ai GdeYGedGJ GdeGdjI (B/s - (3eMeO Hf EHQGgje s ((3GdbGgQI (B:s (3GdOGQ GdYQHjI ddcJGH,s, 1983)
(3GdfU HGddZI GdYQHjIs
Keywords: (3CUhd Gdabg s; (3GdTQjYI GdESdGejIs