Usman, Muhammad Idris, Tasi’u Musa, and Auwalu Ibrahim. “ASSESSING THE PERFORMANCE OF ARIMA AND ARFIMA MODELS IN FORECASTING INTERNALLY GENERATED REVENUE OF KADUNA STATE”. FUDMA JOURNAL OF SCIENCES 9, no. 6 (June 30, 2025): 193 - 201. Accessed July 6, 2025. https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/3666.