REN, Yixue; NI, Qingqing; CHANG, Menghan. Research on the Measurement of New Productivity Levels and Regional Differences among Provinces in China. Frontiers in Business, Economics and Management, [S. l.], v. 21, n. 2, p. 75–80, 2025. DOI: 10.54097/17ta5j04. Disponível em: https://drpress.org/ojs/index.php/fbem/article/view/32335. Acesso em: 27 jul. 2026.