G. G. James, O. G. P, C. E. G, M. N. A, E. W. F, and O. P. E, “Optimizing Business Intelligence System Using Big Data and Machine Learning”, journalisi, vol. 6, no. 2, pp. 1215–1236, Jun. 2024, doi: 10.51519/journalisi.v6i2.631.