(3OQGSGJ eYebI ai Gdabg GdLfGFi GdebGQf (B/s - (3YHOGdhgGH MheOs ([(3ecGf GdfTQ ZjQ eMOO(B] :s (3TQcI GdeWHYI GdYUQjI hecJHGJgG(B.s, 1983)
. 240-220 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdfXGe GdLfGFi GdESdGei s; (3GdbGfhf GdLfGFi s