http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
170 lời giải đáp về bảo vệ sức khỏe con cái tuổi dậy thì
Lưu Kiến Lập ... [et al.]; Dương Thúy Ngân biên dịch