http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
A three-level English grammar practice series for the classroom or self-study with clear explanations and lots of extra practice. Each level has an interactive Practice-Boost CD-ROM.
English language,English language,Tiếng Anh
Textbooks for foreign speakers,Grammar,Giáo trình dành cho người nước ngoài