Olawale, A. J., F. W. Ipeayeda, R. A. Ganiyu, A. S. Falohun, O. O. Awodoye, and E. O. Olawale. 2026. “Walrus Optimization-Tuned Deep Belief Network for Credit Card Fraud Detection”. LAUTECH Journal of Engineering and Technology 20 (1):181-93. https://www.laujet.com/index.php/laujet/article/view/1042.