DRUCKER, PETER F. THE EFFECTIVE EXECUTIVE/ PETER F. DRUCKER - BOSTON: ELSEVIER, 2007 - XVI, 167P. XV 0 ISBN: 978-756-8507-8 Source: 2013-426 Subjects--Personal Names: DRUCKER Subjects--Topical Terms: TECHNOLOGY(APPLIED SCIENCES) LC Class. No.: HD38025 / .U6D78