Rath, Tom. Wellbeing : the five essential elements / by Tom Rath and Jim Harter. - [New York : Gallup Press, 2010. - 229 p. ; ill. 22 cm. ISBN: 9781595620408 1595620400 Subjects--Topical Terms: Social indicators.Self-realization.Welbevinden. Dewey Class. No.: 152.4 / RAT P10W