IMANGOZHINA, Z. . History of development and gas industry features in Norway and the Kingdom of the Netherlands. Economic series of the Bulletin of L.N. Gumilyov ENU, [S. l.], n. 1, p. 16–25, 2023. Disponível em: https://bulecon.enu.kz/index.php/main/article/view/335. Acesso em: 22 jan. 2026.