[1]
I. . van Dobben de Bruyn, C. van Dijkum, and E. Kats, “Aktie-onderzoek in diskussie ”, krisis, vol. 2, no. 3, pp. 83–87, Aug. 1982, Accessed: May 17, 2025. [Online]. Available: https://krisis.eu/article/view/40850