LIU, L.; RUIZ, I. Convergence Hypothesis: Evidence from Panel Unit Root Test with Spatial Dependence. Ecos de Economía, [S. l.], v. 10, n. 23, p. 37–56, 2006. Disponível em: https://publicaciones.eafit.edu.co/index.php/ecos-economia/article/view/1979. Acesso em: 25 apr. 2024.