×
模态框(Modal)标题
在这里添加一些文本
Close
Close
Submit
Cancel
Confirm
×
模态框(Modal)标题
在这里添加一些文本
Close
Welcome to Studies in Science of Science,today is
Share:
Studies in Science of Science
Home
About Journal
Editorial Board
Journal
Current Issue
Accepted
Archive
Most Read
Most Download
Most Cited
E-mail Alert
RSS
Publication Ethics
Subscriptions
Contact Us
中文
Research on the loss sources of the innovation and entrepreneurship efficiency in China’s crowd innovation spaces based on two-stage hybrid network DEA model and meta-frontier theory
李犟 吴和成 朱晨
Studies in Science of Science . 2023, (
7
): 1259 -1269 .