TY  - CHAP
A1  - Groves, R.
T1  - The interviewer as a source of survey measurement error
Y1  - 2004
DO  - 10.1002/0471725277.ch8
A3  - Groves, R.
T2  - Survey errors and survey costs
CY  - New York
PB  - Wiley-Interscience

ER  -