http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Bài tập và bài giải tham khảo môn cơ sở dữ liệu
Nguyễn Gia Tuấn Anh, Trương Châu Long
Data Structures ( Computer Science ),Databases