TY  - BOOK
AU  - Sittenfeld, Hans
AU  - Dellow, E. L.
TI  - TEST MARKETING
U1  - 658.83 
PY  - 1967///
CY  - London
PB  - Business Pub.
KW  - Marketing Research
N1  - Translation Of Der Testmarkt, Instrument Des Marketing
ER  -