FESKENS, Remco; HOX, Joop; SCHMEETS, Hans; WETZELS, Willem. Incentives and ethnic Minorities: Results of a controlled randomized Experiment in the Netherlands. Survey Research Methods, [S. l.], v. 2, n. 3, p. 159–165, 2008. DOI: 10.18148/srm/2008.v2i3.71. Disponível em: https://ojs.ub.uni-konstanz.de/srm/article/view/71. Acesso em: 19 apr. 2024.