TY  - BOOK
AU  - Larossi, Giuseppe
TI  - The power of survey design : a user's guide for managing surveys,interpreting results,and influencing respondents 
SN  - 978-0-8213-6392-8
U1  - 300.723 IAR 
PY  - 2006///
CY  - Washington DC
PB  -  The World Bank
KW  - Social survey - methodology
ER  -