The survey research handbook
Alreck, Pamela L. and Settle, Robert B.
The survey research handbook - 2nd ed. - London Irwin 1995 - xxiv,470p.
0256103216
Research
Survey research
001.4 / ALR
The survey research handbook - 2nd ed. - London Irwin 1995 - xxiv,470p.
0256103216
Research
Survey research
001.4 / ALR