MULLEN, K. M. Continuous Global Optimization in R. Journal of Statistical Software, [S. l.], v. 60, n. 6, p. 1–45, 2014. DOI: 10.18637/jss.v060.i06. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v060i06. Acesso em: 2 dec. 2022.