TY  - BOOK
AU  - Lansing,John B.
AU  - Morgan,James N.
TI  - Economic survey methods
SN  - 0879440082
U1  - 330.072 
PY  - 1980///
CY  - Ann Arbor, Mich.
PB  - University of Michigan. Institut for Social Research. Survey Research Center
KW  - INVESTIGACION ECONOMICA
N1  - Incluye bibliografía
ER  -