Jibrin, S. A., A. A. . Osi, and S. . Shehu. “Developing Exp-FIGARCH Hybrid Models for Time Series Modelling”. Dutse Journal of Pure and Applied Sciences, vol. 10, no. 1c, Apr. 2024, pp. 83-95, doi:10.4314/dujopas.v10i1c.8.