TY  - BOOK
AU  - Mangione,Thomas W
TI  - Mail surveys: improving the quality 
T2  - Applied social research methods series
SN  - 0803946627
U1  - 001.433 
PY  - 1995///
CY  - Thousand Oaks, Calif.
PB  - Sage
KW  - Encuestas por correo
N1  - Incluye bibliografía (p. 117-123); The basics of question design -- Question design: the advanced course -- The basics of sampling -- Pitfalls in sampling -- The basics of avoiding nonresponse errors -- Additional ways to reduce nonresponse errors -- The benefits of aesthetics and good management -- Preparing the data for analysis -- A summary from a total survey design perspective
ER  -