USMAN, Mustofa; KOMARUDIN, M.; SARIDA, Munti; WAMILIANA, Wamiliana; RUSSEL, Edwin; KUFEPAKSI, Mahatma; ALI ALAM, Iskandar; A.M. ELFAKI, Faiz. 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: 5 dec. 2024.