SANSÓ, . A.; AGUIRRE, . A. Using different null hypotheses to test for seasonal unit roots in economic time series. Económica, [S. l.], v. 48, p. p. 3–26, 2002. Disponível em: https://revistas.unlp.edu.ar/Economica/article/view/8513. Acesso em: 20 abr. 2024.