TY  - BOOK
AU  - Blank, Stave
TI  - The four steps to the epiphany : successful strategies for products that win
SN  - 9780989200509
U1  - 658.4012 
PY  - 2013///
CY  - California: 
PB  - S. G. Blank
KW  - business planning
KW  - customer development model
KW  - entrepreneurship
KW  - new product
KW  - product development model
KW  - relationship marketing
ER  -