PEREIRA, E. G. . Royalties in Mature Upstream Oil and Gas Developments: Progression, Reduction or Abolition. International Review of Law, [S. l.], v. 14, n. 1, 2025. DOI: 10.29117/irl.2025.0321. Disponível em: https://journals.qu.edu.qa/index.php/IRL/article/view/4957. Acesso em: 11 may. 2025.