LOPATIN, A. Intelligent System of Estimation of Total Factor Productivity (TFP) and Investment Efficiency in the Economy with External Technology Gaps. Journal of Comprehensive Business Administration Research, [S. l.], 2023. DOI: 10.47852/bonviewJCBAR32021874. Disponível em: https://ojs.bonviewpress.com/index.php/JCBAR/article/view/1874. Acesso em: 20 may. 2024.