http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Hướng dẫn trẻ làm đồ chơi theo chủ đề
Trung tâm nghiên cứu chiến lược và phát triển chương trình giáo dục mầm non
Bùi Kim Tuyến,Lương Thị Bình...., [ những người khác]