LUPI, Claudio. Unit Root CADF Testing with R. Journal of Statistical Software, [S. l.], v. 32, n. 2, p. 1–19, 2009. DOI: 10.18637/jss.v032.i02. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v032i02. Acesso em: 12 apr. 2025.