V. A. Micheal and M. O. Adenomon, “Studying the Impacts of Inflation, Import and Export on Gross Domestic Product using Markov Switching Vector Autoregressive Model”, BJS, vol. 5, no. 1, pp. 159– 171, May 2022, Accessed: Dec. 16, 2025. [Online]. Available: https://www.bjs-uniben.org/index.php/home/article/view/65