http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Tài liệu chuyên sinh học trung học phổ thông
Nội dung sách gồm bài tập tự luận và các bài tập trắc nghiệm, là nội dung cơ bản, quan trọng mà học sinh cần nắm vững.
Dạy và học (Trung học),Study and teaching (Secondary)