TY  - BOOK
AU  - Boyd,Harper W
AU  - Westfall,Ralph
TI  - Marketing research: text and cases 
U1  - 658.83 
PY  - 1959///, c1956
CY  - Homewood, Il.
PB  - Richard D. Irwin
KW  - Mercadeo
KW  - Casos
ER  -