UDINA, F. Implementing interactive computing in an object-oriented environment. Journal of Statistical Software, [S. l.], v. 5, n. 3, p. 1–20, 2000. DOI: 10.18637/jss.v005.i03. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v005i03. Acesso em: 25 apr. 2024.