TY  - BOOK
AU  - Gupta , Sunil
AU  - Bansal , S.P/Verma , O.P./
TI  - Marketing research
SN  - 81-272-2666-1
U1  - 381 G959M 
PY  - 2006///
CY  - New Delhi
PB  - Kalyani
ER  -