REVILLA, Melanie. Quality in Unimode and Mixed-Mode designs: A Multitrait-Multimethod approach. Survey Research Methods, [S. l.], v. 4, n. 3, p. 151–164, 2010. DOI: 10.18148/srm/2010.v4i3.4278. Disponível em: https://ojs.ub.uni-konstanz.de/srm/article/view/4278. Acesso em: 28 mar. 2024.