(3OjhGf EHf GdOgGf (B/ s - (3EHf GdOgGf, CHh GdaQL GdehUdjs; (3GdLHhQj, YHO Gddgs ((3HZOGO (B:s (3eWHYI GdeYGQa,s, 1986)
Keywords: (3GdTYQ GdYQHjs; (3GdCjhHjhf (B1174-1252s