KREJČÍŘ, Jaroslav; DOSTÁL, Petr; DOUBRAVSKY, Karel. Interconnectivity among assessments from rating agencies: using cluster and correlation analysis. Business: Theory and Practice, [S. l.], v. 15, n. 3, p. 261–268, 2014. DOI: 10.3846/btp.2014.26. Disponível em: https://journals.vilniustech.lt/index.php/BTP/article/view/8370. Acesso em: 10 may. 2025.