Nkemnole, E. B, and S. O. N. Agwuegbo. “State Space Model of Brent Oil Price Dynamics”. International Journal of Mathematical Sciences and Optimization: Theory and Applications 2019, no. 2 (November 22, 2019): 571 - 580. Accessed May 19, 2024. http://ijmso.unilag.edu.ng/article/view/544.