ILIEV, Blagovest. Direct and Indirect Real Estate Investment Performance – Data from Bulgaria, the Eurozone, the UK and the US. Business & Management Compass, Varna, Bulgaria, v. 69, n. 1, p. 72–83, 2025. DOI: 10.56065/trcxhg09. Disponível em: https://bi.ue-varna.bg/ojs/index.php/bmc/article/view/102.. Acesso em: 12 nov. 2026.