KAMPPINEN, M.; JAKONEN, J. Systems thinking, spirituality and Ken Wilber: beyond New Age. Approaching Religion, [S. l.], v. 5, n. 2, p. 3–14, 2015. DOI: 10.30664/ar.67570. Disponível em: https://journal.fi/ar/article/view/67570. Acesso em: 7 may. 2024.