HYUN, S. W.; WONG, W. K.; YANG, Y. VNM: An R Package for Finding Multiple-Objective Optimal Designs for the 4-Parameter Logistic Model. Journal of Statistical Software, [S. l.], v. 83, n. 5, p. 1–19, 2018. DOI: 10.18637/jss.v083.i05. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v083i05. Acesso em: 4 may. 2024.