(3GdYdGL HGdaGcgI (B/s - (3LYaQ, MSGfs ((3HjQhJ (B:s (3OGQ hecJHI GdgdGd ,s (3GdeQcQ GddHfGfj ddWH GdHOjd ,s, 2006)
Keywords: (3GdahGcgs; (3GdeYGdLI HfXGe ZPGFjs; (3GdYdGL HGdCYTGHs