BU, Guanzhong; WU, Wenjie; ZHANG, Zien. Warren Buffett and Berkshire Hathaway’s Recent Investment Strategy Changes and the Reasons for the Corresponding Risk Measures. Highlights in Business, Economics and Management, [S. l.], v. 43, p. 467–472, 2024. DOI: 10.54097/cex1s474. Disponível em: https://drpress.org/ojs/index.php/HBEM/article/view/26438. Acesso em: 26 may. 2026.