(3GdhXjaI GdGYdGejI dTHcI GdGfJQfJ (B/s - (3YHO Gdedc QOeGf GdOfGfj(B.s ((3GdbGgQI (B:s (3OGQ GdaLQ ddfTQ hGdJhRjY, s, 2003)
(3HHdjhLQGajI (B: (3U(B. 222-234.s
All age.
Keywords: (3GdGfJQfJ(B.s; (3hSGFd GdEYdGe(B.s