TY  - BOOK
AU  - Cooper,Brant
AU  - Vlaskovits,Patrick
TI  - The entrepreneur's guide to customer development: A "cheat sheet" to The Four Steps to the Epiphany
SN  - 9780982743607
U1  - 650.1 
PY  - 2010///
KW  - Éxito en los negocios
KW  - Emprendedores
ER  -