http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Phát triển kĩ năng giải toán ở tiểu học
Tài liệu đào tạo giáo viên tiểu học trình độ ĐH
ĐTTS ghi: Bộ GD và ĐT. Dự án phát triển giáo viên tiểu học