AFGHANISTAN’S REGIONAL EXPORT COMPETITIVENESS: EVIDENCE ON CONCENTRATION, BARRIERS AND STRATEGIC UPGRADING . ACUMEN: INTERNATIONAL JOURNAL OF MULTIDISCIPLINARY RESEARCH, [S. l.], v. 3, n. 11, p. 139–148, 2026. DOI: 10.66301/b6w7d447. Disponível em: https://www.universalpublishings.com/index.php/aijmr/article/view/21221. Acesso em: 13 nov. 2026.