SCHNELL, Rainer; SMID, Menno. Methodological Problems and Solutions in Sampling for Epidemiological COVID-19 Research. Survey Research Methods, [S. l.], v. 14, n. 2, p. 123–129, 2020. DOI: 10.18148/srm/2020.v14i2.7749. Disponível em: https://ojs.ub.uni-konstanz.de/srm/article/view/7749. Acesso em: 21 dec. 2024.