http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Sổ tay kiến thức toán trung học phổ thông
Tập hợp kiến thức cơ bản trong toán học lớp 10, 11, 12 dưới dạng các công thức, qui tắc và các ví dụ cụ thể