LARSEN, D. Gallup Polling Accuracy in a Multi-Party Context: An Empirical Study of Twelve Danish Political Parties 1957-80*. Scandinavian Political Studies, [S. l.], v. 4, 1987. Disponível em: https://tidsskrift.dk/scandinavian_political_studies/article/view/32585. Acesso em: 23 may. 2024.