Comparative analysis of historic predictions and actual global natural gas market trends for the period from 1997 to 2020. Rudarsko-geološko-naftni zbornik, [S. l.], v. 36, n. 4, 2021. DOI: 10.17794/rgn.2021.4.14. Disponível em: https://ojs.srce.hr/index.php/rgn/article/view/17082. Acesso em: 24 aug. 2025.