DUAN, Jisheng. Portfolio Optimization for Cloud Computing, Biotechnology, Artificial Intelligence, Green Energy and Pharmaceutical Industries. Highlights in Business, Economics and Management, [S. l.], v. 5, p. 222–227, 2023. DOI: 10.54097/hbem.v5i.5079. Disponível em: https://drpress.org/ojs/index.php/HBEM/article/view/5079. Acesso em: 31 oct. 2025.