http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Tóm tắt lý thuyết, hướng dẫn phương pháp giải toán, giải toàn bộ bài tập trong SGK, bài tập nâng cao, câu hỏi giáo khoa và bài tập ôn phần kim loại.
Nguyễn Xuân Trường (Chủ biên), Từ Ngọc Ánh, Phạm Văn Hoan
Study and teaching (Secondary),Dạy và học (Trung học)