PETSCHE, J. The Sacred Dance of the Enneagram: The History and Meanings Behind G. I. Gurdjieff’s Enneagram Movements. Fieldwork in Religion, [S. l.], v. 11, n. 1, p. 53–75, 2016. DOI: 10.1558/firn.31359. Disponível em: https://journal.equinoxpub.com/FIR/article/view/13000. Acesso em: 7 dec. 2021.