TY  - BOOK
AU  - Ries, al 
TI  - The 22 Immutable Laws o Marketing : :violate them at your own risk 
SN  - 088730592x
U1  - 658.8RIE 
PY  - 1993///
CY  - New Delhi
PB  - :Harper collins publishers
KW  - Management
KW  - Marketing
KW  - Laws
KW  - Al Ries & Jack Trout
KW  - and the 22 immutable laws of marketing
ER  -