PASSOS, Marcelo de Oliveira; CUNHA, Raul; MEYER, Michel. How Petrobras lost more than BRL 181 billion? A valuation analysis in 2010-2016. Caderno Virtual, [S. l.], v. 3, n. 48, 2020. Disponível em: https://www.portaldeperiodicos.idp.edu.br/cadernovirtual/article/view/4831. Acesso em: 26 set. 2025.