LONG, P. D.; ANH, H. T. M. Innovation and Productivity of Vietnamese Small and Medium Enterprises: Firm level panel data evidence. International Journal of Economics and Financial Issues, [S. l.], v. 7, n. 3, p. 226–232, 2017. Disponível em: https://www.econjournals.com/index.php/ijefi/article/view/4467. Acesso em: 20 apr. 2024.