VANNIEUWENHUYZE, Jorre T.A.; REVILLA, Melanie. Relative Mode Effects on Data Quality in Mixed-Mode Surveys by an Instrumental Variable. Survey Research Methods, [S. l.], v. 7, n. 3, p. 157–168, 2013. DOI: 10.18148/srm/2013.v7i3.5137. Disponível em: https://ojs.ub.uni-konstanz.de/srm/article/view/5137. Acesso em: 24 apr. 2024.