KARATKEVICH, Alexey I.; LAPKO, Boris V.; SHPARUN, Dina V. Analysis of methods for determining the total costs of imports for exports using tables «input – output». Journal of the Belarusian State University. Economics, [S. l.], n. 2, p. 53–60, 2025. Disponível em: https://journals.bsu.by/index.php/economy/article/view/7541. Acesso em: 18 jul. 2026.