RINKEN, Sebastian; DOMÍNGUEZ-ÁLVAREZ, Juan-Antonio; TRUJILLO, Manuel; LAFUENTE, Regina; SOTOMAYOR, Rafaela; SERRANO-DEL-ROSAL, Rafael. Combined mobile-phone and social-media sampling for web survey on social effects of COVID-19 in Spain. Survey Research Methods, [S. l.], v. 14, n. 2, p. 165–170, 2020. DOI: 10.18148/srm/2020.v14i2.7733. Disponível em: https://ojs.ub.uni-konstanz.de/srm/article/view/7733. Acesso em: 13 jun. 2024.