HANKIN, R. K. S. Circular Statistics in R. Journal of Statistical Software, Book Reviews, [S. l.], v. 66, n. 5, p. 1–3, 2015. DOI: 10.18637/jss.v066.b05. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v066b05. Acesso em: 18 apr. 2024.