http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Công tác bảo vệ môi trường đối với các cơ quan, tổ chức, ban ngành
Nguyễn Thị Phương Thảo, Phạm Trọng Nghĩa (tổng hợp)