VAN DOBBEN DE BRUYN, Ineke; VAN DIJKUM, Cor; KATS, Erik. Aktie-onderzoek in diskussie . Krisis | Journal for Contemporary Philosophy, [S. l.], v. 2, n. 3, p. 83–87, 1982. Disponível em: https://krisis.eu/article/view/40850. Acesso em: 17 may. 2025.