共 43 条
- [1] Alperin David J., 2003, PHIL PA AM POL SCI A
- [2] Bachmann DP, 2000, MARK RES, V11, P11
- [6] Carey John M., 2002, ICPSR20960V1 U ROCH, DOI [10.3886/ICPSR20960, DOI 10.3886/ICPSR20960]
- [7] Cole S. T., 2005, Journal of Travel Research, V43, P422, DOI 10.1177/0047287505274655
- [9] Cooper C.A., 2002, State Local Government Review, P127
- [10] Web surveys - A review of issues and approaches [J]. PUBLIC OPINION QUARTERLY, 2000, 64 (04) : 464 - 494