TY  - BOOK
AU  - Tull,Donald S.
AU  - Hawkins,Del I.
TI  - Marketing research : measurement and methods
SN  - 002421910X
U1  - 658.83 TUL 
PY  - 1987///
CY  - New York, London 
PB  - Macmillan
KW  - Marketing research - Case studies
N1  - Includes bibliographical references and indexes
ER  -