TY  - BOOK
AU  - Callegaro,Mario
AU  - Manfreda,Katja Lozar
AU  - Vehovar,Vasja
TI  - Web survey methodology
SN  - 9780857028600
PY  - 2015///
CY  - London
PB  - Sage Publications Ltd
KW  - Surveys
KW  - Methodology
KW  - Internet surveys
ER  -