http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Bài tập lịch sử 6 bao gồm những câu hỏi, bài tập, hướng dẫn giải và đáp án lịch sử thế giới cổ đại, lịch sử Việt Nam từ nguồn gốc đến thế kỉ X.
Nguyễn Sĩ Quế (Chủ biên), Đinh Ngọc Bảo, Nông Thị Huệ
Study and teaching (Secondary),Dạy và học (Trung học)