http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Theo Quyết định số 31/2002/QĐ - BGD & ĐT ngày 14/6/2002 của Bộ trưởng Bộ Giáo dục và Đào tạo
Tập viết 2 liệt kê những mẫu chữ viết giúp các em học sinh luyện cách viết chữ đẹp.
Study and teaching (Elementary),Dạy và học (Tiểu học)