TY  - BOOK
AU  - Kotler,Philip .
AU  - Armstrong,Gary.
TI  - Principles of marketing / 
SN  - 978-81-203-3929-8
U1  - 658.8 
PY  - 2008///
CY  - New Delhi : 
PB  - PHI learning , 
KW  - Marketing management
ER  -