OSTERMANN, Thomas; LÜDTKE, Rainer. Methodological Contribution to the Analysis of Election Results in Party Strongholds. methods, data, analyses, [S. l.], v. 3, n. 2, p. 187–201, 2009. DOI: 10.12758/mda.2009.012. Disponível em: https://majournals.bib.uni-mannheim.de/mda/article/view/2009.012. Acesso em: 8 oct. 2025.