Trajectories of spiritual change among expatriate humanitarian aid workers: A prospective longitudinal study
Psychology of Religion and Spirituality (2015) - Comment
doi: 10.1037/a0037703  issn: 1943-1562  issn: 1941-1022 

Cynthia B. Eriksson, Jason M. Holland, Joseph M. Currier, Leslie M. Snider, Alastair K. Ager, Reinhard E. R. Kaiser, Winnifred S. Simon