TY - BOOK AU - Ries, Eric TI - The lean start up: How constant innovation creates radically successful businesses SN - 9780670921607 AV - HD62.5 .RIE 2011 CY - England PB - Clays Ltd N1 - The lean start up is specially designed to change perception about entrepreneurship in a more positive way; Includes indexes (310 -320) ER -