DR. B. CHARUMATHI, SURAJ . E. S., Dr. B. Charumathi, Suraj . E. S. Refining Ohlson Model for Valuing Bank Stocks- An Artificial Neural Network Approach. Independent Business Review, Dhaka, Bangladesh, v. 7, n. 2, 2026. DOI: 10.67508/iub.ibr.v7n2.002. Disponível em: https://ibr.iub.edu.bd/Journals/article/view/59. Acesso em: 21 sep. 2026.