VANNIEUWENHUYZE, Jorre. On the Relative Advantage of Mixed-Mode versus Single-Mode Surveys. Survey Research Methods, [S. l.], v. 8, n. 1, p. 31–42, 2013. DOI: 10.18148/srm/2014.v8i1.5500. Disponível em: https://ojs.ub.uni-konstanz.de/srm/article/view/5500. Acesso em: 26 apr. 2024.