TY  - BOOK
AU  - Tull,Donald S  .
AU  - Hawkins,Del I.
TI  - Marketing research measurement and method / 
SN  - 978-81-203-0961-6
U1  - 658.84 
PY  - 1993///
CY  - New Delhi : 
PB  - Prentice Hall , 
KW  - Marketing research
ER  -