VALVONIS, Vytautas. Estimation and Management of Credit Concentration Risk. Ekonomika, [S. l.], v. 77, p. 94–113, 2007. DOI: 10.15388/Ekon.2007.17603. Disponível em: https://www.journals.vu.lt/ekonomika/article/view/17603. Acesso em: 14 apr. 2025.