(3GdCSdMI GdcjejGFjI hGdHcJQjhdhLjI (B((3GdHjhdhLjI(B) (3hJCKjQGJ GSJNOGegG GdeMJed (B:s (3JbQjQ YGe GdCejf GdYGe (B/s ((3GdbGgQI (B:s (3EOGQI GdTFhf GdSjGSjI hTFhf eLdS GdCef (B,s, 1970)
. 240-220 (3HHdjhLQGajG(B: (3UaMGJ(B.s
Keywords: (3GdCSdMI GdcjejGFjI s