STAUDER, Johannes. Umfrageforschung. Herausforderungen und Grenzen. Martin Weichbold, Johann Bacher & Christof Wolf, 2009. methods, data, analyses, [S. l.], v. 4, n. 2, p. 156–158, 2010. DOI: 10.12758/mda.2010.010. Disponível em: https://majournals.bib.uni-mannheim.de/mda/article/view/2010.010. Acesso em: 8 oct. 2025.