AKPAN, Emmanuel Alphonsus; MOFFAT, Imoh Udo; EKPO, Ntiedo Bassey. Arma-Arch Modeling Of The Returns Of First Bank Of Nigeria. European Scientific Journal, ESJ, [S. l.], v. 12, n. 18, p. 257, 2016. DOI: 10.19044/esj.2016.v12n18p257. Disponível em: https://test.eujournal.org/index.php/esj/article/view/7613. Acesso em: 6 jun. 2025.