Alemho, Joseph Elekhekhatse, Zorle Dum Deebom, and Ifeoma Lekara-Bayo. “Forecasting Efficacy of Hybrid ARFIMA-FIGARCH Model: An Application to Returns and Volatility of the Nigerian All Share Index”. FUDMA Journal of Sciences 10, no. 13 (August 15, 2026): 220–226. Accessed August 17, 2026. https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/5327.