VAN ROOIJ, Arjan. Modellen van onderzoek. De oprichting van TNO, 1920-1940. TSEG - The Low Countries Journal of Social and Economic History, [S. l.], v. 4, n. 4, p. 136–160, 2007. DOI: 10.18352/tseg.631. Disponível em: https://tseg.nl/article/view/7901.. Acesso em: 27 nov. 2024.