Usman, A. ., I. L. Kane, S. A. . Jibrin, S. A. Sabo, and A. B. . Muhammad. “Modeling and Comparison of the Nigerian All Share Index Using ARIMA and Hybrid ARIMA-GARCH Models”. International Journal of Science for Global Sustainability, vol. 12, no. 1, Mar. 2026, pp. 224-31, doi:10.57233/ijsgs.v12i1.1034.