FENG, Jiayang. Global Evaluation of Health and Sustainability of Pension System. Highlights in Business, Economics and Management, [S. l.], v. 57, p. 136–144, 2025. DOI: 10.54097/gnr1k290. Disponível em: https://hbem.org/index.php/OJS/article/view/479. Acesso em: 24 aug. 2026.