http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Tài liệu tập huấn giáo viên dạy học, kiểm tra, đánh giá theo chuẩn kiến thức, kĩ năng trong chương trình giáo dục phổ thông
Môn giáo dục công dân cấp trung học phổ thông
Trần Văn Thắng, Nguyễn Xuân Trường, Nguyễn Thị Thu Hoài