FIRTH, D. CGIwithR: Facilities for processing web forms using R. Journal of Statistical Software, [S. l.], v. 8, n. 10, p. 1–8, 2003. DOI: 10.18637/jss.v008.i10. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v008i10. Acesso em: 17 aug. 2022.