http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Hướng dẫn học và ôn tập qua các câu hỏi tự luận và bài tập trắc nghiệm
Kho giáo trình KGT.0048832, KGT.0048809