TY  - BOOK
AU  - Tull, Donald S
TI  - Marketing Research
SN  - 81-203-0961-8
U1  - 658.83 
PY  - 1993///
CY  - New Dehli
PB  - Prentice Hall India
KW  - Management
KW  - The Source of reseach data
ER  -