CHEN, Chuanyang. Research on Measuring New Quality Productivity: A Case Study of the Yangtze River Delta Region. Frontiers in Economics and Management, [S. l.], v. 7, n. 1, p. 138–147, 2026. DOI: 10.6981/FEM.202601_7(1).0013. Disponível em: https://fieam.org/index.php/ojs/article/view/180. Acesso em: 13 nov. 2026.