RISBJERG THOMSEN, Søren. Meningsmålingernes troværdighed. Politica, [S. l.], v. 30, n. 2, p. 204, 1998. DOI: 10.7146/politica.v30i2.68203. Disponível em: https://tidsskrift.dk/politica/article/view/68203. Acesso em: 6 dec. 2025.