BARRAGÁN GONZÁLEZ, Luis Antonio. Determination of the preventive estimate for credit risk through a transition matrix. Revista Académica de Investigación en Finanzas, [S. l.], n. 03, p. 42–53, 2025. DOI: 10.68061/91qwd442. Disponível em: https://revista.iesfi.edu.mx/index.php/ojs/article/view/18. Acesso em: 19 oct. 2026.