ConwayM.ThomasS. (2003). Using electronic surveys. (Info-line: Research and Evaluation). Alexandria, VA: American Society for Training and Development.
2.
DillmanD.A. (1999). Mail and internet surveys: The tailored method, (2nd ed.). NY: John Wiley.
3.
FinkA. (1995). The survey kit series. Thousand Oaks, CA: Sage.
4.
JonesS. (Ed.) 1999). Doing internet research: Critical issues and methods for examining the Net. Thousand Oaks, CA: Sage.
5.
NesbaryD. (1999). Survey research and the World Wide Web. Boston: Allyn and Bacon.