TY  - BOOK
AU  - Osterwalder Alex
TI  - Value Proposition Design
SN  - 978-81-265-5307-5
U1  - 658.4012 23
PY  - 2018///
CY  - New Jersey
PB  - John Wiley And Sons
N1  - 1.Canvas
2.Design
3.Test
4.Evolve
ER  -