TY  - BOOK
AU  - Aaken, David A
TI  - Marketing research
SN  - 0 471 01096 0
U1  - 658 .8 
PY  - 1986///
CY  - New York
PB  - John Wiley and Sons ,Inc
KW  - Data collection
KW  - factor analysis
KW  - hypothesis
ER  -