DI, Jiao. R&D Expenditure and Revenue-Based Productivity: Measurement Sensitivity in a Pilot of Shenzhen-Listed Firms. Exploring Science Academic Conference Series, [S. l.], v. 17, p. 670–677, 2026. DOI: 10.70267/icrafm.202617670677. Disponível em: https://journals.zeuspress.org/index.php/conference/article/view/1535. Acesso em: 25 oct. 2026.