CAMILLO, F.; D’ATTOMA, I. Measuring and testing the interview mode effect in mixed mode surveys. Statistica, [S. l.], v. 73, n. 4, p. 407–421, 2013. DOI: 10.6092/issn.1973-2201/4501. Disponível em: https://rivista-statistica.unibo.it/article/view/4501. Acesso em: 28 jan. 2023.