TY  - BOOK
AU  - Tull, Donald S. and Hawkins, Del I.
TI  - Marketing Research
SN  - 81-203-0961-8
U1  - 658.83     Tul.N3 6th.
PY  - 1993///
CY  - New delhi
PB  - Prentice-Hall of India
ER  -