Synergy in the knowledge base of U.S. innovation systems at national, state, and regional levels: The contributions of high-tech manufacturing and knowledge-intensive services
- Leydesdorff, L.
- Wagner, C.S.
- Porto-Gomez, I.
- Comins, J.A.
- Phillips, F.
ISSN: 2330-1643, 2330-1635
Année de publication: 2019
Volumen: 70
Número: 10
Pages: 1108-1123
Type: Article
