.(3aQGS hQHis (3GdGQV JMH GbOGe GHfGFgGs - .(3GdLejd, HQLjS aGQSs ((3HjQhJs (3efThQGJ GdeQcR GdGSJTGQj GdJQHhj ddGYdGe hGdHjFIs, 2001)