http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Bài tập bổ trợ - nâng cao tiếng Anh 10
Sách tham dự cuộc thi Viết sách bài tập và sách tham khảo của Bộ Giáo dục và Đào tạo
Nguyễn Thị Chi, Nguyễn Hữu Cương (Chủ biên)
Problems, exercises, etc,Câu hỏi, bài tập