PERRON, Pierre; RODRÍGUEZ, Gabriel. GLS detrending, efficient unit root tests and structural change. Economia, [S. l.], v. 35, n. 69, p. 174–203, 2012. DOI: 10.18800/economia.201201.005. Disponível em: https://revistas.pucp.edu.pe/index.php/economia/article/view/2712. Acesso em: 28 dec. 2025.