UMAR, A G; DIKKO, H G; GARBA, J; TASI’U, M. A Study of Nigeria Monthly Stock Price Index Using ARTFIMA-FIGARCH Hybrid Model. UMYU Scientifica, [S. l.], v. 2, n. 4, p. 114–121, 2023. DOI: 10.56919/usci.2324.014. Disponível em: https://publications.umyu.edu.ng/scientifica/index.php/usci/article/view/348. Acesso em: 6 jun. 2026.