http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Giáo trình phương pháp dạy học môn toán ở tiểu học
Dành cho học viên ngành giáo dục tiểu học. Hệ đào tạo tại chức từ xa
Study and teaching (primary ),Dạy và học (Tiểu học)