Hansen, Morten T. Collaboration : how leaders avoid the traps, create unity, and reap big results / Morten T. Hansen. - Boston, Mass. : Harvard Business Press, 2009. - xi, 231 p. : ill. ; 25 cm. Includes bibliographical references (p. 211-219) and index. ISBN: 9781422115152 Subjects--Topical Terms: Industrial management.Leadership. LC Class. No.: HD31 / .H36 2009