MARELLA, Daniela. Errors Depending on Costs in Sample Surveys. Survey Research Methods, [S. l.], v. 1, n. 2, p. 85–96, 2007. DOI: 10.18148/srm/2007.v1i2.78. Disponível em: https://ojs.ub.uni-konstanz.de/srm/article/view/78. Acesso em: 18 apr. 2024.