(3GdGSJLhGH aj GdfXGe GdHQdeGfj GdYQHj (B/s - (3GdCMeO, hSje MSGe GdOjfs ((3HjQhJ (B:s (3efThQGJ GdMdHj GdMbhbjI,s, 2011)
(3HHdjhLQGajI (B: (3U(B. 207-212.s
Keywords: (3GdgjFGJ GdJTQjYjIs -- (3GSJLhGHGJs -- (3GSJLhGHGJs -- (3GdHdGO GdYQHjIs