TY  - BOOK
AU  - Ries, Al
TI  - The 22 immutable laws of marketing: : violate them at your own risk!
SN  - 9780887306662 (pbk)
U1  - 658.8 
PY  - 1994///
CY  - London 
PB  - HarperCollins Publishers
KW  - Management sciences
KW  - Marketing management
KW  - Singularity law
KW  - Division law
KW  - Candor law
KW  - Duality law
KW  - Focus law
KW  - RSBM
N1  - Includes index.
ER  -