http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Bồi dưỡng phương pháp tự học toán
Dành cho học sinh chuẩn bị vào Đại học (hệ tập trung và tại chức)
mathematics - study and teaching ( secondary )