TY - BOOK AU - Peter F. Drucker TI - The Effective Executive SN - 9780750685078 U1 - 658.4 DAL PY - 2007/// CY - USA PB - Routledge N2 - The author argues that effectiveness is a learnable skill that is crucial for any knowledge worker whose decisions significantly impact an organization's performance, regardless of their formal title or whether they manage people ER -