(3TQM bGfhf GdYbhHGJ GdbSe GdNGU(B/s - (3YHO GdQMef eMeO SdWGf GdShOGfjs ((3HZOGO (B:s (3gjFI GdJOQjH hGdJCgjd ,s, 2008)
(3jTJed Ydj HHdHhLQGajI(B.s
(3HHdjhLQGajG (B: (3UaMGJ(B170 -172.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3bGfhf GdYbhHGJ (B- (3GdbSe GdNGUs; (3GdbGfhf GdLfGFjs