http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
This book is special studies in the change of technology, social, and economic development
Technological innovations,Thay đổi công nghệ,Developing countries,Quốc gia đang phát triển
Developing countries,Quốc gia đang phát triển