Tài liệu tham khảo WikiPedia: 3Gees http://ww1.utusan.com.my/utusan/info.asp?y=1998&dt... https://www.youtube.com/watch?v=80Fb0cdak0Y https://www.youtube.com/watch?v=twBbg57r3Gg https://web.archive.org/web/20171224042617/http://...