TY  - BOOK
AU  - Kumar 
AU  - Aaker, David A.
AU  - Day, George S.
TI  - Essentials of marketing research 
SN  - 0471170682 
U1  - 658.83 KUM 1999 
PY  - 1999///
CY  - New York
PB  - John Wiley & Sons
KW  - Marketing research
N1  - Includes index
ER  -