TY  - BOOK
AU  - Callegaro, Mario
AU  - Manfreda,Katja Lozar
AU  - Vehovar,Vasja
TI  - Web survey methodology
SN  - 9780857028617
AV  - HM 538 C34W 2015
PY  - 2015///
CY  - Los Angeles
PB  - SAGE
KW  - INTERNET SURVEYS
N1  - Includes index; Survery resarch and web surveys; Pre-fielding; Fielding
ER  -