LAWES, Mario; HETSCHKO, Clemens; SAKSHAUG, Joseph W.; EID, Michael. Collecting Hair Samples in Online Panel Surveys: Participation Rates, Selective Participation, and Effects on Attrition. Survey Research Methods, [S. l.], v. 18, n. 2, p. 167–185, 2024. DOI: 10.18148/srm/2024.v18i2.8170. Disponível em: https://ojs.ub.uni-konstanz.de/srm/article/view/8170. Acesso em: 17 aug. 2024.