共 12 条
- [1] [Anonymous], FALL NET DIG INCL
- [2] Babbie E., 2003, PRACTICE SOCIAL RES
- [4] Web surveys - Perceptions of burden [J]. SOCIAL SCIENCE COMPUTER REVIEW, 2001, 19 (02) : 146 - 162
- [5] GUTERBOCK TM, 2000, ANN M AM ASS PUBL OP
- [6] KWAK N, 2000, ANN M AM ASS PUBL OP
- [7] MAVIS B, 1998, EVAL HEALTH PROF, V21, P53
- [8] MEDLIN C, 1999, ANZMAC99 C MARK 3 MI