共 21 条
[4]
Cochran WG., 1963, Sampling techniques
[7]
Dillman D. A., 2014, Internet, phone, mail, and mixed-mode surveys: The tailored design method
[10]
Business model for the university-industry collaboration in open innovation
[J].
3RD GLOBAL CONFERENCE ON BUSINESS, ECONOMICS, MANAGEMENT AND TOURISM,
2016, 39
:674-678