Analysis of oil reserves, production and oil price trends in 1995, 2005, 2015. Rudarsko-geološko-naftni zbornik, [S. l.], v. 33, n. 4, 2018. DOI: 10.17794/rgn.2018.4.10. Disponível em: https://ojs.srce.hr/index.php/rgn/article/view/7146. Acesso em: 20 aug. 2025.