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