Hale, Richard Impact and influence : Tools and techniques for creating a lasting impression / Richard Hale and Peter Whitlam. - London : Kogan Page, 1999. - xiv, 191 p. : ill. ; 16 cm. ISBN: 9780749430849 Subjects--Topical Terms: Influence (Psychology) Industrial psychologyHuman influence. Dewey Class. No.: 158.7 / HAL