DELEEUW, Edith D. Mixed-Mode: Past, Present, and Future. Survey Research Methods, [S. l.], v. 12, n. 2, p. 75–89, 2018. DOI: 10.18148/srm/2018.v12i2.7402. Disponível em: https://ojs.ub.uni-konstanz.de/srm/article/view/7402. Acesso em: 12 jul. 2024.