http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Hướng dẫn tổ chức hoạt động giáo dục cho trẻ từ 6- 24 tháng tuổi
Phan Thị Thuận Nhi; Nguyễn thị Thanh Huyền; Nguyễn Thị Mỹ Hạnh