IDOWU, GBOLAHAN ADENIRAN, and JOSIAH ENDURANCE OWOLABI. “ENSEMBLE-BASED FRAUD DETECTION IN NIGERIAN BANKING: A SYNTHETIC DATA BENCHMARK AND COST-SENSITIVE ANALYSIS GBOLAHAN ADENIRAN IDOWU∗ AND JOSIAH ENDURANCE OWOLABI ABSTRACT. Fraud Detection in Nigerian Banking Is Critically Hampered by a Scarcity of Authen”. Unilag Journal of Mathematics and Applications 6, no. 1 (March 9, 2026): 107 - 129. Accessed March 23, 2026. https://lagjma.unilag.edu.ng/article/view/2874.