TY  - GEN
AU  - Kotler, Philip
AU  - Armstrong, Gary
TI  - Principles of marketing
SN  - 8120310772
U1  - 658.8 
PY  - 1997///
CY  - New Delhi
PB  - Prentice-Hall of India, 
KW  - Marketing
KW  - Marketing research
KW  - Information systems
ER  -