Columbia subject headings:
Research--Economic aspects--Greece.
Research--Economic aspects.
Technological innovations--Economic aspects--Greece.
Technological innovations--Economic aspects.
Harvard subject headings:
Research--Economic aspects
Research--Economic aspects--Greece.
Technological innovations--Economic aspects
Technological innovations--Economic aspects--Greece.
Princeton subject headings:
Europe--Economic conditions--21st century.
Greece--Economic conditions--21st century.
Research--Economic aspects--Europe.
Research--Economic aspects--Greece.
Technological innovations--Economic aspects--Europe.
Technological innovations--Economic aspects--Greece.