TY  - BOOK
AU  - Tull,Donald S.
AU  - Hawkins,Del I.
TI  - Marketing research: measurement & method : a text with cases 
SN  - 0024218219
U1  - 658.83 TUL 
PY  - 1990///
CY  - New York, London
PB  - Macmillan, Collier Macmillan
KW  - Marketing research
N1  - Include bibliographical references and indexes
ER  -