http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Bảo vệ an ninh mạng đối với hệ thống thông tin quan trọng về an ninh quốc gia, phòng ngừa,xử lý hành vi xâm phạm an ninh mạng, hoạt động bảo vệ an ninh mạng...