(3JUOjGJ GdEQgGH GdOhdj ddSde GdESdGej (B/ s - (3ahGR, gfO QLHs ((3HjQhJ (B: s (3eDSSI GdQMGH GdMOjKI, s, 2006)
(3HHdjhLQGajI (B: (3UaMI (B327-332.s
Keywords: (3GdEQgGH GdOhdj s; (3GdSdGe GdYGdej s; (3GdESdGe hGdEQgGHs