VASILOPOULOS, K.; PAVLIDIS, E.; MARTÍNEZ-GARCÍA, E. exuber: Recursive Right-Tailed Unit Root Testing with R. Journal of Statistical Software, [S. l.], v. 103, n. 10, p. 1–26, 2022. DOI: 10.18637/jss.v103.i10. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v103i10. Acesso em: 26 sep. 2022.