Dr. Elena R. Vostik. “ADAPTIVE FEATURE EXTRACTION AND COST-SENSITIVE NEURAL LEARNING FOR ROBUST CLASSIFICATION IN HIGH-IMBALANCE DOMAINS: BRIDGING BLIND SOURCE SEPARATION AND FRAUD DETECTION”. Library of Ethiopian International Journal of Multidisciplinary Research, vol. 12, no. 10, Oct. 2025, pp. 854-60, doi:10.55640/leijmr.v12i10.161.