(3TQM GdYbhO GdeSeGI aj YbOj GdHjY hGdebGjVI (B/ s - (3CHh GdSYhO, QeVGfs ((3GdEScfOQjI, eUQ (B: s (3OGQ GdeWHhYGJ GdLGeYjI, s, 2000)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdYbhO GdeSeGI s -- (3eUQ s; (3GdYbhO (B((3bGfhf eOfj(B) s -- (3eUQ s