Jibrin SA, Osi AA, Shehu S. Developing Exp-FIGARCH Hybrid Models for Time Series Modelling . Dut. Jnl. Pure. Appl. Sci. [Internet]. 2024 Apr. 24 [cited 2026 Sep. 27];10(1c):83-95. Available from: https://www.ajol.info/index.php/dujopas/article/view/269183