ROBINSON, T. The Evolution of Electricity Prices in The EU since the Single European Act . Economic Issues, [S. l.], v. 13, n. 2, p. 59–70, 2008. Disponível em: http://www.economicissues.org.uk/index.php/EI_OJS/article/view/151. Acesso em: 26 aug. 2026.