TY - BOOK AU - Ries,Eric TI - The Lean Startup: how constant innovation creates radically successful businesses /​ SN - 9780670921607 AV - HD62.5 .R559 2011 U1 - 658.1​1 23 PY - 2011/// CY - London PB - Portfolio Penguin KW - Entrepreneurship KW - New business enterprises KW - Consumers' preferences KW - Organizational effectiveness N1 - Includes bibliographical references and index ER -