http://www.mediafire.com/download.php?u683quteu5ewrfn

tool ho tro bao cao
http://www.mediafire.com/?w4eu48quhud2y1u (Report Runtime xuat Bill)
Tool ho tro cai dat
http://www.mediafire.com/?bi1y72ffgv3b3w1 (NetFramework 2.0)

Tham khảo thêm

http://my.opera.com/cchangkhongayngo/blog/