TY  - BOOK
AU  - Tull,Donald S.
AU  - Hawkins,Del I.
TI  - Marketing research: measurement and method 
SN  - 9788120309616
U1  - 658.83 
PY  - 1993///
CY  - New Delhi
PB  - Prentice Hall
KW  - Marketing research
ER  -