Nguồn Quốc Hội TV: http://quochoitv.vn/videos/dong-chay-cua-tien/2021/2/fitch-duy-tri-xep-hang-tin-nhiem-cho-nhat-ban-voi-trien-vong-%E2%80%9Ctieu-cuc%E2%80%9D/551244