http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Công nghệ và tiến bộ kỹ thuật phục vụ sản xuất nông nghiệp và phát triển nông thôn
Technological transfer,Agriculture,Vietnam
Economic conditions,Developing countries,Agricultural aspects