BECH, Mickael; KRISTENSEN, Morten Bo. Differential response rates in postal and Web-based surveys in older respondents. Survey Research Methods, [S. l.], v. 3, n. 1, p. 1–6, 2009. DOI: 10.18148/srm/2009.v3i1.592. Disponível em: https://ojs.ub.uni-konstanz.de/srm/article/view/592. Acesso em: 28 mar. 2024.