TY  - BOOK
AU  - Kotler, Philip
AU  -  Armstrong ,Gray
TI  - Principles of marketing
SN  - 8120328256
U1  - 658.8 
PY  - 2006///
CY  - New Delhi
PB  - Prentice -hall of India
KW  - Marketing
N1  - BBA
ER  -