(3GdYhdeI GdZQHjI hGdUMhI GdESdGejI (B/s - (3GdRfjOj, YHO GdQMef Hf RjO Hf YHO Gddg,s 1376 (3gLQjG(B-.s ((3GdQjGV (B:s (3OGQ ETHjdjG,s, 2000)
(3HHdjhLQGajI (B: (3U(B. 133-136.s
Keywords: (3GdYQH hGdYhdeIs; (3GdKbGaI GdESdGejIs