James, Gabriel, Oise P, Chukwu G, Michael A, Ekpo F, and Okafor E. “Optimizing Business Intelligence System Using Big Data and Machine Learning”. Journal of Information Systems and Informatics 6, no. 2 (June 30, 2024): 1215-1236. Accessed October 9, 2025. https://journal-isi.org/index.php/isi/article/view/631.