TY  - BOOK
AU  - Callegaro,Mario
TI  - Web Survey
SN  - 9780857028617
U1  - 001.433 23
PY  - 2015///
CY  - Los Angeles
PB  - SAGE
KW  - Internet surveys
KW  - Social sciences--Research--Methodology
N1  - including acknowledgments, bibliography and index
ER  -