Powers Bob Instructor excellence: mastering the delivery of training/ Bob Powers and William J. Rothwell - 2nd ed. - San Francisco, CA: John Wiley and Sons, Inc., 2007. - xxv, 284p. Includes bibliographical references and index ISBN: 9780787982294 Subjects--Topical Terms: Employees - Training of LC Class. No.: HF 5549.5.T7 POW 2007