Foulds, M., & Hannigan, P. (1976). A Gestalt marathon workshop: Effects on extraversion and neuroticism. Journal Of College Student Personnel, 17, 50-54, .
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
