TOBY, Adolphus; AUSTEN, Glory. Volatility Modelling of Stock Returns in the Petroleum Marketing Sector of the Nigerian Stock Exchange. American Journal of Finance, [S. l.], v. 6, n. 1, p. 71–97, 2021. DOI: 10.47672/ajf.777. Disponível em: https://ajpojournals.org/journals/AJF/article/view/777. Acesso em: 13 dec. 2025.