http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Sách giới thiệu, bên cạnh cấu trúc chứa đựng những chi tiết kinh tế, là mô hình xây dựng mang tính đặc thù Việt Nam trong sự phát triển, đó là: dân số, môi trường sinh thái, và thu nhập theo lãnh thổ
vietnam - economic aspects,vietnam - economic conditions