ANGELOPOULOS, J.; CHLOMOUDIS , C. I. A Generalized Dynamic Factor Model for the U.S. Port Sector. SPOUDAI Journal of Economics and Business, [S. l.], v. 67, n. 1, p. 22–37, 2017. Disponível em: https://spoudai.org/index.php/journal/article/view/153. Acesso em: 21 nov. 2024.