Tài liệu tham khảo WikiPedia: Võ_Bẩm http://antg.cand.com.vn/vi-VN/tulieu/2007/9/64022.... http://antg.cand.com.vn/vi-VN/tulieu/2007/9/64022.... http://www.sggp.org.vn/chinhtri/2008/7/158146/