SCHNELL, Rainer; NOACK, Marcel; TORREGROZA, Sabrina. Differences in General Health of Internet Users and Non-users and Implications for the Use of Web Surveys. Survey Research Methods, [S. l.], v. 11, n. 2, p. 105–123, 2017. DOI: 10.18148/srm/2017.v11i2.6803. Disponível em: https://ojs.ub.uni-konstanz.de/srm/article/view/6803. Acesso em: 29 feb. 2024.