http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Chính sách phát triển nông nghiệp, nông thôn, nông dân của Hungary trong quá trình chuyển đổi kinh tế và vận dụng cho Việt Nam
Rural development,Phát triển nông thôn