http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Danh bạ doanh nghiệp sản xuất công nghiệp 2006 =
Directory of industrial manufacturing enterprises 2006
Trung tâm hỗ trợ kỹ thuật doanh nghiệp nhỏ và vừa tại Hà Nội