Tài liệu tham khảo

WikiPedia: Lưu Lôi http://news.sina.com.cn/c/nd/2016-01-01/doc-ifxnee... http://www.npc.gov.cn/delegate/viewDelegate.action... http://hebei.ifeng.com/news/fengguanyanzhao/detail... http://news.ifeng.com/a/20170728/51524178_0.shtml http://news.takungpao.com/mainland/zgzq/2014-12/28... http://news.xinhuanet.com/english/2017-10/24/c_136... http://www.zaobao.com.sg/media/photo/story20131104... http://www.bienphong.com.vn/cuoc-cai-to-chua-tung-... http://m.nld.com.vn/thoi-su-quoc-te/tu-lenh-tan-cu... http://giaoduc.net.vn/Quoc-te/Trung-Quoc-cach-chuc...