http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
ISO 9000 sổ tay hệ thống chất lượng
ISO 9000 sổ tay hệ thống chất lượng; Dịch giả: Nguyễn Trung Tín, Phạm Thượng Hoa