http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Hướng dẫn các hoạt động phát triển tình cản và quan hệ xã hội
Trần Lan Hương; Trần Thị Nga; Nguyễn Thị Thư