TY  - BOOK
AU  - Tull, Donald S.
AU  - Hawkins, Del I. 
TI  - Marketing research : : measurement and method
SN  - 8120309618
U1  - 658.83 TUL 
PY  - 1993///
CY  - New Delhi : 
PB  - Prentice-Hall Of India
KW  - Marketing information system
N1  - Includes bibliographical references and index
ER  -