TRAETS, F.; SANCHEZ, D. G.; VANDEBROEK, M. Generating Optimal Designs for Discrete Choice Experiments in R: The idefix Package. Journal of Statistical Software, [S. l.], v. 96, n. 3, p. 1–41, 2020. DOI: 10.18637/jss.v096.i03. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v096i03. Acesso em: 26 may. 2022.