TY  - GEN
AU  - Tull, Donald S.
AU  - Hawkins, Del I.
TI  - Marketing research: measurement & method
SN  - 8120309618
U1  - 658.83 
PY  - 1993///
CY  - New Delhi
PB  - Prentice - Hall
KW  - MARKET RESEARCH
ER  -