NIGG, Claudio R; MOTL, Robert W.; WONG, Kristin T.; YODA, Lisa U.; MCCURDY, Dana K.; PAXTON, Raheem; HORWATH, Caroline C.; DISHMAN, Rod K. Impact of mixed survey modes on physical activity and fruit/vegetable consumption: A longitudinal study. Survey Research Methods, [S. l.], v. 3, n. 2, p. 81–90, 2009. DOI: 10.18148/srm/2009.v3i2.1092. Disponível em: https://ojs.ub.uni-konstanz.de/srm/article/view/1092. Acesso em: 25 jul. 2024.