USMAN, M.; KOMARUDIN, M.; SARIDA, M.; WAMILIANA, W.; RUSSEL, E.; KUFEPAKSI, M.; ALI ALAM, I.; A.M. ELFAKI, F. Analysis of Some Variable Energy Companies by Using VAR(p)-GARCH(r,s) Model : Study From Energy Companies of Qatar over the Years 2015–2022. International Journal of Energy Economics and Policy, [S. l.], v. 12, n. 5, p. 178–191, 2022. DOI: 10.32479/ijeep.13333. Disponível em: https://econjournals.com/index.php/ijeep/article/view/13333. Acesso em: 29 mar. 2024.