SOLLMANN, Ulrich. Theodor Itten, Ron Roberts: The New Politics of Experience and the Bitter Herbs. Psychotherapie-Wissenschaft, [S. l.], v. 5, n. 1, p. 103–103, 2015. Disponível em: https://psychotherapie-wissenschaft.info/article/view/302. Acesso em: 14 juni. 2024.