LIU, Jiaqi. Evaluation and Innovation of Methods for Measuring the Development Level of Urban Digital Economy. Frontiers in Business, Economics and Management, [S. l.], v. 14, n. 1, p. 151–152, 2024. DOI: 10.54097/e5f5gk51. Disponível em: https://drpress.org/ojs/index.php/fbem/article/view/18675. Acesso em: 14 may. 2026.