发明者合作网络演变及其对技术发明生产率影响分析
Release Time:2019-03-13 Hits:
Indexed by: Journal Article
Date of Publication: 2008-01-01
Journal: 科学学与科学技术管理
Included Journals: PKU
Volume: 0
Issue: 3
Page Number: 28-30
Release Time:2019-03-13 Hits:
Indexed by: Journal Article
Date of Publication: 2008-01-01
Journal: 科学学与科学技术管理
Included Journals: PKU
Volume: 0
Issue: 3
Page Number: 28-30