TY  - BOOK
AU  - Tull,Donald S.
AU  - Hawkins, Del I.
TI  - Marketing research : : measurement and method : a text with cases 
SN  - 9788120309616
U1  - 658.83  19
PY  - 1993///
CY  - New Delhi
PB  - Prentice Hall, 
KW  - Marketing research
KW  - Case studies
N1  - Includes indexes
ER  -