Foulds, M., & Hannigan, P. (1976). Effects of Gestalt marathon workshops on measured self-actualization: A replication and follow-up. Journal Of Counseling Psychology, 23, 60-65, . https://doi.org/10.1037/0022-0167.23.1.60
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König, J., Karl, R., Rosner, R., & Butollo, W. (2018). Difficulties in conducting long term follow ups in psychotherapy research—Issues in the literature and data from a randomized therapy comparison study for posttraumatic stress disorder. Journal Of Nervous And Mental Disease, 206, 513-521, .
View